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Finding the Fourth Proportional to 225,376.80, 337,573.94 and 112,860.78

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Solution

The fourth proportional to 225,376.80, 337,573.94 and 112,860.78 is: 169,045.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,376.80 : 337,573.94 = 112,860.78 : x
  2. Step 2: Convert to fraction form
    225,376.80/337,573.94 = 112,860.78/x
  3. Step 3: Cross multiply
    225,376.80x = 337,573.94 × 112,860.78
  4. Step 4: Simplify right side
    225,376.80x = 38,098,857,611.77
  5. Step 5: Solve for x
    x = 38,098,857,611.77/225,376.80
  6. Step 6: Final answer
    x = 169,045.16

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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.