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Finding the Fourth Proportional to 159,474.60, 239,211.90 and 88,615.80

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Solution

The fourth proportional to 159,474.60, 239,211.90 and 88,615.80 is: 132,923.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,474.60 : 239,211.90 = 88,615.80 : x
  2. Step 2: Convert to fraction form
    159,474.60/239,211.90 = 88,615.80/x
  3. Step 3: Cross multiply
    159,474.60x = 239,211.90 × 88,615.80
  4. Step 4: Simplify right side
    159,474.60x = 21,197,953,888.02
  5. Step 5: Solve for x
    x = 21,197,953,888.02/159,474.60
  6. Step 6: Final answer
    x = 132,923.70

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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.