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Finding the Fourth Proportional to 558,010.80, 836,951.40 and 158,713.20

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Solution

The fourth proportional to 558,010.80, 836,951.40 and 158,713.20 is: 238,051.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,010.80 : 836,951.40 = 158,713.20 : x
  2. Step 2: Convert to fraction form
    558,010.80/836,951.40 = 158,713.20/x
  3. Step 3: Cross multiply
    558,010.80x = 836,951.40 × 158,713.20
  4. Step 4: Simplify right side
    558,010.80x = 132,835,234,938.48
  5. Step 5: Solve for x
    x = 132,835,234,938.48/558,010.80
  6. Step 6: Final answer
    x = 238,051.37

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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.