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Finding the Fourth Proportional to 269,741.28, 404,655.72 and 101,274.84

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Solution

The fourth proportional to 269,741.28, 404,655.72 and 101,274.84 is: 151,928.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,741.28 : 404,655.72 = 101,274.84 : x
  2. Step 2: Convert to fraction form
    269,741.28/404,655.72 = 101,274.84/x
  3. Step 3: Cross multiply
    269,741.28x = 404,655.72 × 101,274.84
  4. Step 4: Simplify right side
    269,741.28x = 40,981,443,298.08
  5. Step 5: Solve for x
    x = 40,981,443,298.08/269,741.28
  6. Step 6: Final answer
    x = 151,928.70

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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.