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Finding the Fourth Proportional to 159,398.68, 239,135.46 and 89,326.36

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Solution

The fourth proportional to 159,398.68, 239,135.46 and 89,326.36 is: 134,010.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,398.68 : 239,135.46 = 89,326.36 : x
  2. Step 2: Convert to fraction form
    159,398.68/239,135.46 = 89,326.36/x
  3. Step 3: Cross multiply
    159,398.68x = 239,135.46 × 89,326.36
  4. Step 4: Simplify right side
    159,398.68x = 21,361,100,188.73
  5. Step 5: Solve for x
    x = 21,361,100,188.73/159,398.68
  6. Step 6: Final answer
    x = 134,010.52

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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.