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Finding the Fourth Proportional to 159,871.80, 239,763.96 and 60,024.32

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Solution

The fourth proportional to 159,871.80, 239,763.96 and 60,024.32 is: 90,020.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,871.80 : 239,763.96 = 60,024.32 : x
  2. Step 2: Convert to fraction form
    159,871.80/239,763.96 = 60,024.32/x
  3. Step 3: Cross multiply
    159,871.80x = 239,763.96 × 60,024.32
  4. Step 4: Simplify right side
    159,871.80x = 14,391,667,460.69
  5. Step 5: Solve for x
    x = 14,391,667,460.69/159,871.80
  6. Step 6: Final answer
    x = 90,020.05

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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.