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Finding the Fourth Proportional to 159,250.60, 238,912.80 and 54,069.57

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Solution

The fourth proportional to 159,250.60, 238,912.80 and 54,069.57 is: 81,116.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,250.60 : 238,912.80 = 54,069.57 : x
  2. Step 2: Convert to fraction form
    159,250.60/238,912.80 = 54,069.57/x
  3. Step 3: Cross multiply
    159,250.60x = 238,912.80 × 54,069.57
  4. Step 4: Simplify right side
    159,250.60x = 12,917,911,168.93
  5. Step 5: Solve for x
    x = 12,917,911,168.93/159,250.60
  6. Step 6: Final answer
    x = 81,116.88

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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.