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Finding the Fourth Proportional to 362,136.80, 543,205.20 and 162,463.70

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Solution

The fourth proportional to 362,136.80, 543,205.20 and 162,463.70 is: 243,695.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,136.80 : 543,205.20 = 162,463.70 : x
  2. Step 2: Convert to fraction form
    362,136.80/543,205.20 = 162,463.70/x
  3. Step 3: Cross multiply
    362,136.80x = 543,205.20 × 162,463.70
  4. Step 4: Simplify right side
    362,136.80x = 88,251,126,651.24
  5. Step 5: Solve for x
    x = 88,251,126,651.24/362,136.80
  6. Step 6: Final answer
    x = 243,695.55

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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.