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Finding the Fourth Proportional to 93,757.92, 129,382.80 and 53,484.72

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Solution

The fourth proportional to 93,757.92, 129,382.80 and 53,484.72 is: 73,807.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,757.92 : 129,382.80 = 53,484.72 : x
  2. Step 2: Convert to fraction form
    93,757.92/129,382.80 = 53,484.72/x
  3. Step 3: Cross multiply
    93,757.92x = 129,382.80 × 53,484.72
  4. Step 4: Simplify right side
    93,757.92x = 6,920,002,830.82
  5. Step 5: Solve for x
    x = 6,920,002,830.82/93,757.92
  6. Step 6: Final answer
    x = 73,807.13

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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.