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Finding the Fourth Proportional to 247,488.96, 371,167.20 and 69,954.24

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Solution

The fourth proportional to 247,488.96, 371,167.20 and 69,954.24 is: 104,912.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,488.96 : 371,167.20 = 69,954.24 : x
  2. Step 2: Convert to fraction form
    247,488.96/371,167.20 = 69,954.24/x
  3. Step 3: Cross multiply
    247,488.96x = 371,167.20 × 69,954.24
  4. Step 4: Simplify right side
    247,488.96x = 25,964,719,388.93
  5. Step 5: Solve for x
    x = 25,964,719,388.93/247,488.96
  6. Step 6: Final answer
    x = 104,912.64

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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.