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Finding the Fourth Proportional to 159,561.76, 239,342.96 and 59,717.92

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Solution

The fourth proportional to 159,561.76, 239,342.96 and 59,717.92 is: 89,577.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,561.76 : 239,342.96 = 59,717.92 : x
  2. Step 2: Convert to fraction form
    159,561.76/239,342.96 = 59,717.92/x
  3. Step 3: Cross multiply
    159,561.76x = 239,342.96 × 59,717.92
  4. Step 4: Simplify right side
    159,561.76x = 14,293,063,737.84
  5. Step 5: Solve for x
    x = 14,293,063,737.84/159,561.76
  6. Step 6: Final answer
    x = 89,577.00

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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.