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Finding the Fourth Proportional to 362,152.80, 543,229.20 and 162,479.70

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Solution

The fourth proportional to 362,152.80, 543,229.20 and 162,479.70 is: 243,719.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,152.80 : 543,229.20 = 162,479.70 : x
  2. Step 2: Convert to fraction form
    362,152.80/543,229.20 = 162,479.70/x
  3. Step 3: Cross multiply
    362,152.80x = 543,229.20 × 162,479.70
  4. Step 4: Simplify right side
    362,152.80x = 88,263,717,447.24
  5. Step 5: Solve for x
    x = 88,263,717,447.24/362,152.80
  6. Step 6: Final answer
    x = 243,719.55

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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.