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Finding the Fourth Proportional to 93,665.92, 140,355.24 and 63,641.92

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Solution

The fourth proportional to 93,665.92, 140,355.24 and 63,641.92 is: 95,365.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,665.92 : 140,355.24 = 63,641.92 : x
  2. Step 2: Convert to fraction form
    93,665.92/140,355.24 = 63,641.92/x
  3. Step 3: Cross multiply
    93,665.92x = 140,355.24 × 63,641.92
  4. Step 4: Simplify right side
    93,665.92x = 8,932,476,955.66
  5. Step 5: Solve for x
    x = 8,932,476,955.66/93,665.92
  6. Step 6: Final answer
    x = 95,365.28

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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.