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Finding the Fourth Proportional to 269,612.62, 372,048.13 and 148,753.89

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Solution

The fourth proportional to 269,612.62, 372,048.13 and 148,753.89 is: 205,270.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,612.62 : 372,048.13 = 148,753.89 : x
  2. Step 2: Convert to fraction form
    269,612.62/372,048.13 = 148,753.89/x
  3. Step 3: Cross multiply
    269,612.62x = 372,048.13 × 148,753.89
  4. Step 4: Simplify right side
    269,612.62x = 55,343,606,604.73
  5. Step 5: Solve for x
    x = 55,343,606,604.73/269,612.62
  6. Step 6: Final answer
    x = 205,270.83

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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.