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Finding the Fourth Proportional to 159,589.44, 239,293.44 and 66,044.16

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Solution

The fourth proportional to 159,589.44, 239,293.44 and 66,044.16 is: 99,028.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,589.44 : 239,293.44 = 66,044.16 : x
  2. Step 2: Convert to fraction form
    159,589.44/239,293.44 = 66,044.16/x
  3. Step 3: Cross multiply
    159,589.44x = 239,293.44 × 66,044.16
  4. Step 4: Simplify right side
    159,589.44x = 15,803,934,238.31
  5. Step 5: Solve for x
    x = 15,803,934,238.31/159,589.44
  6. Step 6: Final answer
    x = 99,028.70

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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.