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Finding the Fourth Proportional to 162,487.80, 243,754.80 and 50,177.16

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Solution

The fourth proportional to 162,487.80, 243,754.80 and 50,177.16 is: 75,272.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,487.80 : 243,754.80 = 50,177.16 : x
  2. Step 2: Convert to fraction form
    162,487.80/243,754.80 = 50,177.16/x
  3. Step 3: Cross multiply
    162,487.80x = 243,754.80 × 50,177.16
  4. Step 4: Simplify right side
    162,487.80x = 12,230,923,600.37
  5. Step 5: Solve for x
    x = 12,230,923,600.37/162,487.80
  6. Step 6: Final answer
    x = 75,272.87

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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.