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Finding the Fourth Proportional to 107,073.18, 147,762 and 59,327.16

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Solution

The fourth proportional to 107,073.18, 147,762 and 59,327.16 is: 81,872.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,073.18 : 147,762 = 59,327.16 : x
  2. Step 2: Convert to fraction form
    107,073.18/147,762 = 59,327.16/x
  3. Step 3: Cross multiply
    107,073.18x = 147,762 × 59,327.16
  4. Step 4: Simplify right side
    107,073.18x = 8,766,299,815.92
  5. Step 5: Solve for x
    x = 8,766,299,815.92/107,073.18
  6. Step 6: Final answer
    x = 81,872.04

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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.