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Finding the Fourth Proportional to 373,562.20, 560,003.10 and 136,847.80

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Solution

The fourth proportional to 373,562.20, 560,003.10 and 136,847.80 is: 205,147.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,562.20 : 560,003.10 = 136,847.80 : x
  2. Step 2: Convert to fraction form
    373,562.20/560,003.10 = 136,847.80/x
  3. Step 3: Cross multiply
    373,562.20x = 560,003.10 × 136,847.80
  4. Step 4: Simplify right side
    373,562.20x = 76,635,192,228.18
  5. Step 5: Solve for x
    x = 76,635,192,228.18/373,562.20
  6. Step 6: Final answer
    x = 205,147.07

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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.