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Finding the Fourth Proportional to 159,959.87, 239,617.90 and 75,801.19

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Solution

The fourth proportional to 159,959.87, 239,617.90 and 75,801.19 is: 113,549.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,959.87 : 239,617.90 = 75,801.19 : x
  2. Step 2: Convert to fraction form
    159,959.87/239,617.90 = 75,801.19/x
  3. Step 3: Cross multiply
    159,959.87x = 239,617.90 × 75,801.19
  4. Step 4: Simplify right side
    159,959.87x = 18,163,321,965.30
  5. Step 5: Solve for x
    x = 18,163,321,965.30/159,959.87
  6. Step 6: Final answer
    x = 113,549.24

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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.