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Finding the Fourth Proportional to 159,630.80, 239,446.20 and 97,422.80

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Solution

The fourth proportional to 159,630.80, 239,446.20 and 97,422.80 is: 146,134.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,630.80 : 239,446.20 = 97,422.80 : x
  2. Step 2: Convert to fraction form
    159,630.80/239,446.20 = 97,422.80/x
  3. Step 3: Cross multiply
    159,630.80x = 239,446.20 × 97,422.80
  4. Step 4: Simplify right side
    159,630.80x = 23,327,519,253.36
  5. Step 5: Solve for x
    x = 23,327,519,253.36/159,630.80
  6. Step 6: Final answer
    x = 146,134.20

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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.