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Finding the Fourth Proportional to 115,267.92, 172,947.96 and 41,401.68

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Solution

The fourth proportional to 115,267.92, 172,947.96 and 41,401.68 is: 62,119.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,267.92 : 172,947.96 = 41,401.68 : x
  2. Step 2: Convert to fraction form
    115,267.92/172,947.96 = 41,401.68/x
  3. Step 3: Cross multiply
    115,267.92x = 172,947.96 × 41,401.68
  4. Step 4: Simplify right side
    115,267.92x = 7,160,336,096.57
  5. Step 5: Solve for x
    x = 7,160,336,096.57/115,267.92
  6. Step 6: Final answer
    x = 62,119.07

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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.