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Finding the Fourth Proportional to 160,047.53, 240,000.57 and 85,149.90

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Solution

The fourth proportional to 160,047.53, 240,000.57 and 85,149.90 is: 127,687.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,047.53 : 240,000.57 = 85,149.90 : x
  2. Step 2: Convert to fraction form
    160,047.53/240,000.57 = 85,149.90/x
  3. Step 3: Cross multiply
    160,047.53x = 240,000.57 × 85,149.90
  4. Step 4: Simplify right side
    160,047.53x = 20,436,024,535.44
  5. Step 5: Solve for x
    x = 20,436,024,535.44/160,047.53
  6. Step 6: Final answer
    x = 127,687.22

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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.