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Finding the Fourth Proportional to 269,605.44, 372,053.10 and 148,747.80

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Solution

The fourth proportional to 269,605.44, 372,053.10 and 148,747.80 is: 205,270.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,605.44 : 372,053.10 = 148,747.80 : x
  2. Step 2: Convert to fraction form
    269,605.44/372,053.10 = 148,747.80/x
  3. Step 3: Cross multiply
    269,605.44x = 372,053.10 × 148,747.80
  4. Step 4: Simplify right side
    269,605.44x = 55,342,080,108.18
  5. Step 5: Solve for x
    x = 55,342,080,108.18/269,605.44
  6. Step 6: Final answer
    x = 205,270.64

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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.