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Finding the Fourth Proportional to 159,447.60, 239,200.20 and 65,962.80

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Solution

The fourth proportional to 159,447.60, 239,200.20 and 65,962.80 is: 98,956.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,447.60 : 239,200.20 = 65,962.80 : x
  2. Step 2: Convert to fraction form
    159,447.60/239,200.20 = 65,962.80/x
  3. Step 3: Cross multiply
    159,447.60x = 239,200.20 × 65,962.80
  4. Step 4: Simplify right side
    159,447.60x = 15,778,314,952.56
  5. Step 5: Solve for x
    x = 15,778,314,952.56/159,447.60
  6. Step 6: Final answer
    x = 98,956.11

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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.