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Finding the Fourth Proportional to 392,200.03, 588,222.59 and 107,817.20

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Solution

The fourth proportional to 392,200.03, 588,222.59 and 107,817.20 is: 161,704.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,200.03 : 588,222.59 = 107,817.20 : x
  2. Step 2: Convert to fraction form
    392,200.03/588,222.59 = 107,817.20/x
  3. Step 3: Cross multiply
    392,200.03x = 588,222.59 × 107,817.20
  4. Step 4: Simplify right side
    392,200.03x = 63,420,513,562.02
  5. Step 5: Solve for x
    x = 63,420,513,562.02/392,200.03
  6. Step 6: Final answer
    x = 161,704.51

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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.