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Finding the Fourth Proportional to 159,679.70, 239,306.76 and 75,462.24

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Solution

The fourth proportional to 159,679.70, 239,306.76 and 75,462.24 is: 113,092.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,679.70 : 239,306.76 = 75,462.24 : x
  2. Step 2: Convert to fraction form
    159,679.70/239,306.76 = 75,462.24/x
  3. Step 3: Cross multiply
    159,679.70x = 239,306.76 × 75,462.24
  4. Step 4: Simplify right side
    159,679.70x = 18,058,624,156.74
  5. Step 5: Solve for x
    x = 18,058,624,156.74/159,679.70
  6. Step 6: Final answer
    x = 113,092.80

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1.5x scale

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.