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Finding the Fourth Proportional to 159,540.60, 239,092.20 and 130,016.10

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Solution

The fourth proportional to 159,540.60, 239,092.20 and 130,016.10 is: 194,845.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,540.60 : 239,092.20 = 130,016.10 : x
  2. Step 2: Convert to fraction form
    159,540.60/239,092.20 = 130,016.10/x
  3. Step 3: Cross multiply
    159,540.60x = 239,092.20 × 130,016.10
  4. Step 4: Simplify right side
    159,540.60x = 31,085,835,384.42
  5. Step 5: Solve for x
    x = 31,085,835,384.42/159,540.60
  6. Step 6: Final answer
    x = 194,845.92

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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.