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Finding the Fourth Proportional to 159,462.60, 239,187.90 and 39,519.90

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Solution

The fourth proportional to 159,462.60, 239,187.90 and 39,519.90 is: 59,278.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,462.60 : 239,187.90 = 39,519.90 : x
  2. Step 2: Convert to fraction form
    159,462.60/239,187.90 = 39,519.90/x
  3. Step 3: Cross multiply
    159,462.60x = 239,187.90 × 39,519.90
  4. Step 4: Simplify right side
    159,462.60x = 9,452,681,889.21
  5. Step 5: Solve for x
    x = 9,452,681,889.21/159,462.60
  6. Step 6: Final answer
    x = 59,278.36

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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.