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Finding the Fourth Proportional to 159,862.56, 239,741.92 and 53,217.87

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Solution

The fourth proportional to 159,862.56, 239,741.92 and 53,217.87 is: 79,809.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,862.56 : 239,741.92 = 53,217.87 : x
  2. Step 2: Convert to fraction form
    159,862.56/239,741.92 = 53,217.87/x
  3. Step 3: Cross multiply
    159,862.56x = 239,741.92 × 53,217.87
  4. Step 4: Simplify right side
    159,862.56x = 12,758,554,332.11
  5. Step 5: Solve for x
    x = 12,758,554,332.11/159,862.56
  6. Step 6: Final answer
    x = 79,809.52

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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.