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Finding the Fourth Proportional to 159,463.70, 239,189.56 and 39,521.04

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Solution

The fourth proportional to 159,463.70, 239,189.56 and 39,521.04 is: 59,280.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,463.70 : 239,189.56 = 39,521.04 : x
  2. Step 2: Convert to fraction form
    159,463.70/239,189.56 = 39,521.04/x
  3. Step 3: Cross multiply
    159,463.70x = 239,189.56 × 39,521.04
  4. Step 4: Simplify right side
    159,463.70x = 9,453,020,069.54
  5. Step 5: Solve for x
    x = 9,453,020,069.54/159,463.70
  6. Step 6: Final answer
    x = 59,280.08

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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.