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Finding the Fourth Proportional to 225,380.80, 337,579.92 and 112,864.78

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Solution

The fourth proportional to 225,380.80, 337,579.92 and 112,864.78 is: 169,051.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,380.80 : 337,579.92 = 112,864.78 : x
  2. Step 2: Convert to fraction form
    225,380.80/337,579.92 = 112,864.78/x
  3. Step 3: Cross multiply
    225,380.80x = 337,579.92 × 112,864.78
  4. Step 4: Simplify right side
    225,380.80x = 38,100,883,403.22
  5. Step 5: Solve for x
    x = 38,100,883,403.22/225,380.80
  6. Step 6: Final answer
    x = 169,051.15

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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.