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Finding the Fourth Proportional to 159,471.76, 239,124.61 and 59,549.79

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Solution

The fourth proportional to 159,471.76, 239,124.61 and 59,549.79 is: 89,293.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,471.76 : 239,124.61 = 59,549.79 : x
  2. Step 2: Convert to fraction form
    159,471.76/239,124.61 = 59,549.79/x
  3. Step 3: Cross multiply
    159,471.76x = 239,124.61 × 59,549.79
  4. Step 4: Simplify right side
    159,471.76x = 14,239,820,309.33
  5. Step 5: Solve for x
    x = 14,239,820,309.33/159,471.76
  6. Step 6: Final answer
    x = 89,293.68

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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.