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Finding the Fourth Proportional to 269,801.55, 372,329.17 and 148,942.92

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Solution

The fourth proportional to 269,801.55, 372,329.17 and 148,942.92 is: 205,542.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,801.55 : 372,329.17 = 148,942.92 : x
  2. Step 2: Convert to fraction form
    269,801.55/372,329.17 = 148,942.92/x
  3. Step 3: Cross multiply
    269,801.55x = 372,329.17 × 148,942.92
  4. Step 4: Simplify right side
    269,801.55x = 55,455,793,780.98
  5. Step 5: Solve for x
    x = 55,455,793,780.98/269,801.55
  6. Step 6: Final answer
    x = 205,542.90

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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.