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Finding the Fourth Proportional to 107,599.92, 161,260.92 and 89,719.35

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Solution

The fourth proportional to 107,599.92, 161,260.92 and 89,719.35 is: 134,463.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,599.92 : 161,260.92 = 89,719.35 : x
  2. Step 2: Convert to fraction form
    107,599.92/161,260.92 = 89,719.35/x
  3. Step 3: Cross multiply
    107,599.92x = 161,260.92 × 89,719.35
  4. Step 4: Simplify right side
    107,599.92x = 14,468,224,922.80
  5. Step 5: Solve for x
    x = 14,468,224,922.80/107,599.92
  6. Step 6: Final answer
    x = 134,463.16

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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.