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Finding the Fourth Proportional to 269,713.20, 404,613.60 and 101,246.76

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Solution

The fourth proportional to 269,713.20, 404,613.60 and 101,246.76 is: 151,886.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,713.20 : 404,613.60 = 101,246.76 : x
  2. Step 2: Convert to fraction form
    269,713.20/404,613.60 = 101,246.76/x
  3. Step 3: Cross multiply
    269,713.20x = 404,613.60 × 101,246.76
  4. Step 4: Simplify right side
    269,713.20x = 40,965,816,051.94
  5. Step 5: Solve for x
    x = 40,965,816,051.94/269,713.20
  6. Step 6: Final answer
    x = 151,886.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.