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Finding the Fourth Proportional to 93,666.92, 140,356.74 and 63,642.92

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Solution

The fourth proportional to 93,666.92, 140,356.74 and 63,642.92 is: 95,366.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,666.92 : 140,356.74 = 63,642.92 : x
  2. Step 2: Convert to fraction form
    93,666.92/140,356.74 = 63,642.92/x
  3. Step 3: Cross multiply
    93,666.92x = 140,356.74 × 63,642.92
  4. Step 4: Simplify right side
    93,666.92x = 8,932,712,775.28
  5. Step 5: Solve for x
    x = 8,932,712,775.28/93,666.92
  6. Step 6: Final answer
    x = 95,366.78

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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.