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Finding the Fourth Proportional to 225,140.65, 337,843.57 and 83,085.89

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Solution

The fourth proportional to 225,140.65, 337,843.57 and 83,085.89 is: 124,677.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,140.65 : 337,843.57 = 83,085.89 : x
  2. Step 2: Convert to fraction form
    225,140.65/337,843.57 = 83,085.89/x
  3. Step 3: Cross multiply
    225,140.65x = 337,843.57 × 83,085.89
  4. Step 4: Simplify right side
    225,140.65x = 28,070,031,797.29
  5. Step 5: Solve for x
    x = 28,070,031,797.29/225,140.65
  6. Step 6: Final answer
    x = 124,677.76

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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.