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Finding the Fourth Proportional to 93,581.92, 140,470.08 and 54,215.92

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Solution

The fourth proportional to 93,581.92, 140,470.08 and 54,215.92 is: 81,380.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,581.92 : 140,470.08 = 54,215.92 : x
  2. Step 2: Convert to fraction form
    93,581.92/140,470.08 = 54,215.92/x
  3. Step 3: Cross multiply
    93,581.92x = 140,470.08 × 54,215.92
  4. Step 4: Simplify right side
    93,581.92x = 7,615,714,619.67
  5. Step 5: Solve for x
    x = 7,615,714,619.67/93,581.92
  6. Step 6: Final answer
    x = 81,380.19

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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.