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Finding the Fourth Proportional to 93,693.69, 129,297.42 and 51,252.21

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Solution

The fourth proportional to 93,693.69, 129,297.42 and 51,252.21 is: 70,728.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,693.69 : 129,297.42 = 51,252.21 : x
  2. Step 2: Convert to fraction form
    93,693.69/129,297.42 = 51,252.21/x
  3. Step 3: Cross multiply
    93,693.69x = 129,297.42 × 51,252.21
  4. Step 4: Simplify right side
    93,693.69x = 6,626,778,522.30
  5. Step 5: Solve for x
    x = 6,626,778,522.30/93,693.69
  6. Step 6: Final answer
    x = 70,728.12

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.