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Finding the Fourth Proportional to 116,889.92, 175,401.84 and 49,416.56

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Solution

The fourth proportional to 116,889.92, 175,401.84 and 49,416.56 is: 74,153.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,889.92 : 175,401.84 = 49,416.56 : x
  2. Step 2: Convert to fraction form
    116,889.92/175,401.84 = 49,416.56/x
  3. Step 3: Cross multiply
    116,889.92x = 175,401.84 × 49,416.56
  4. Step 4: Simplify right side
    116,889.92x = 8,667,755,550.47
  5. Step 5: Solve for x
    x = 8,667,755,550.47/116,889.92
  6. Step 6: Final answer
    x = 74,153.15

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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.