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Finding the Fourth Proportional to 162,251.29, 243,400.01 and 49,940.87

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Solution

The fourth proportional to 162,251.29, 243,400.01 and 49,940.87 is: 74,918.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,251.29 : 243,400.01 = 49,940.87 : x
  2. Step 2: Convert to fraction form
    162,251.29/243,400.01 = 49,940.87/x
  3. Step 3: Cross multiply
    162,251.29x = 243,400.01 × 49,940.87
  4. Step 4: Simplify right side
    162,251.29x = 12,155,608,257.41
  5. Step 5: Solve for x
    x = 12,155,608,257.41/162,251.29
  6. Step 6: Final answer
    x = 74,918.41

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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.