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Finding the Fourth Proportional to 93,574.69, 129,133.98 and 51,134.13

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Solution

The fourth proportional to 93,574.69, 129,133.98 and 51,134.13 is: 70,565.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,574.69 : 129,133.98 = 51,134.13 : x
  2. Step 2: Convert to fraction form
    93,574.69/129,133.98 = 51,134.13/x
  3. Step 3: Cross multiply
    93,574.69x = 129,133.98 × 51,134.13
  4. Step 4: Simplify right side
    93,574.69x = 6,603,153,720.74
  5. Step 5: Solve for x
    x = 6,603,153,720.74/93,574.69
  6. Step 6: Final answer
    x = 70,565.60

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Double scale
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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.