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Finding the Fourth Proportional to 269,642.88, 372,104.24 and 148,789.24

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Solution

The fourth proportional to 269,642.88, 372,104.24 and 148,789.24 is: 205,327.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,642.88 : 372,104.24 = 148,789.24 : x
  2. Step 2: Convert to fraction form
    269,642.88/372,104.24 = 148,789.24/x
  3. Step 3: Cross multiply
    269,642.88x = 372,104.24 × 148,789.24
  4. Step 4: Simplify right side
    269,642.88x = 55,365,107,070.38
  5. Step 5: Solve for x
    x = 55,365,107,070.38/269,642.88
  6. Step 6: Final answer
    x = 205,327.53

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1.5x scale

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.