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Finding the Fourth Proportional to 93,284.80, 139,927.20 and 51,294.40

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Solution

The fourth proportional to 93,284.80, 139,927.20 and 51,294.40 is: 76,941.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,284.80 : 139,927.20 = 51,294.40 : x
  2. Step 2: Convert to fraction form
    93,284.80/139,927.20 = 51,294.40/x
  3. Step 3: Cross multiply
    93,284.80x = 139,927.20 × 51,294.40
  4. Step 4: Simplify right side
    93,284.80x = 7,177,481,767.68
  5. Step 5: Solve for x
    x = 7,177,481,767.68/93,284.80
  6. Step 6: Final answer
    x = 76,941.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.