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Finding the Fourth Proportional to 362,793.04, 544,195.05 and 138,165.91

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Solution

The fourth proportional to 362,793.04, 544,195.05 and 138,165.91 is: 207,250.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,793.04 : 544,195.05 = 138,165.91 : x
  2. Step 2: Convert to fraction form
    362,793.04/544,195.05 = 138,165.91/x
  3. Step 3: Cross multiply
    362,793.04x = 544,195.05 × 138,165.91
  4. Step 4: Simplify right side
    362,793.04x = 75,189,204,300.75
  5. Step 5: Solve for x
    x = 75,189,204,300.75/362,793.04
  6. Step 6: Final answer
    x = 207,250.96

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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.