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Finding the Fourth Proportional to 269,613.62, 372,049.51 and 148,754.89

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Solution

The fourth proportional to 269,613.62, 372,049.51 and 148,754.89 is: 205,272.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,613.62 : 372,049.51 = 148,754.89 : x
  2. Step 2: Convert to fraction form
    269,613.62/372,049.51 = 148,754.89/x
  3. Step 3: Cross multiply
    269,613.62x = 372,049.51 × 148,754.89
  4. Step 4: Simplify right side
    269,613.62x = 55,344,183,934.60
  5. Step 5: Solve for x
    x = 55,344,183,934.60/269,613.62
  6. Step 6: Final answer
    x = 205,272.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.