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Finding the Fourth Proportional to 362,224.80, 543,337.20 and 125,591.40

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Solution

The fourth proportional to 362,224.80, 543,337.20 and 125,591.40 is: 188,387.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,224.80 : 543,337.20 = 125,591.40 : x
  2. Step 2: Convert to fraction form
    362,224.80/543,337.20 = 125,591.40/x
  3. Step 3: Cross multiply
    362,224.80x = 543,337.20 × 125,591.40
  4. Step 4: Simplify right side
    362,224.80x = 68,238,479,620.08
  5. Step 5: Solve for x
    x = 68,238,479,620.08/362,224.80
  6. Step 6: Final answer
    x = 188,387.10

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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.