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Finding the Fourth Proportional to 159,057.57, 238,580.12 and 53,876.53

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Solution

The fourth proportional to 159,057.57, 238,580.12 and 53,876.53 is: 80,812.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,057.57 : 238,580.12 = 53,876.53 : x
  2. Step 2: Convert to fraction form
    159,057.57/238,580.12 = 53,876.53/x
  3. Step 3: Cross multiply
    159,057.57x = 238,580.12 × 53,876.53
  4. Step 4: Simplify right side
    159,057.57x = 12,853,869,454.34
  5. Step 5: Solve for x
    x = 12,853,869,454.34/159,057.57
  6. Step 6: Final answer
    x = 80,812.69

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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.