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Finding the Fourth Proportional to 93,694.60, 129,299.57 and 51,253.13

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Solution

The fourth proportional to 93,694.60, 129,299.57 and 51,253.13 is: 70,729.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,694.60 : 129,299.57 = 51,253.13 : x
  2. Step 2: Convert to fraction form
    93,694.60/129,299.57 = 51,253.13/x
  3. Step 3: Cross multiply
    93,694.60x = 129,299.57 × 51,253.13
  4. Step 4: Simplify right side
    93,694.60x = 6,627,007,508.53
  5. Step 5: Solve for x
    x = 6,627,007,508.53/93,694.60
  6. Step 6: Final answer
    x = 70,729.88

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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.