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Finding the Fourth Proportional to 159,615.63, 239,261.85 and 103,491.27

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Solution

The fourth proportional to 159,615.63, 239,261.85 and 103,491.27 is: 155,132.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,615.63 : 239,261.85 = 103,491.27 : x
  2. Step 2: Convert to fraction form
    159,615.63/239,261.85 = 103,491.27/x
  3. Step 3: Cross multiply
    159,615.63x = 239,261.85 × 103,491.27
  4. Step 4: Simplify right side
    159,615.63x = 24,761,512,719.05
  5. Step 5: Solve for x
    x = 24,761,512,719.05/159,615.63
  6. Step 6: Final answer
    x = 155,132.13

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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.