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Finding the Fourth Proportional to 160,909.52, 241,381.56 and 67,424.72

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Solution

The fourth proportional to 160,909.52, 241,381.56 and 67,424.72 is: 101,144.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,909.52 : 241,381.56 = 67,424.72 : x
  2. Step 2: Convert to fraction form
    160,909.52/241,381.56 = 67,424.72/x
  3. Step 3: Cross multiply
    160,909.52x = 241,381.56 × 67,424.72
  4. Step 4: Simplify right side
    160,909.52x = 16,275,084,096.16
  5. Step 5: Solve for x
    x = 16,275,084,096.16/160,909.52
  6. Step 6: Final answer
    x = 101,144.32

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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.