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Finding the Fourth Proportional to 159,610.31, 239,419.90 and 39,662.42

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Solution

The fourth proportional to 159,610.31, 239,419.90 and 39,662.42 is: 59,494.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,610.31 : 239,419.90 = 39,662.42 : x
  2. Step 2: Convert to fraction form
    159,610.31/239,419.90 = 39,662.42/x
  3. Step 3: Cross multiply
    159,610.31x = 239,419.90 × 39,662.42
  4. Step 4: Simplify right side
    159,610.31x = 9,495,972,829.37
  5. Step 5: Solve for x
    x = 9,495,972,829.37/159,610.31
  6. Step 6: Final answer
    x = 59,494.73

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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.