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Finding the Fourth Proportional to 269,062.47, 403,538.67 and 100,551.69

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Solution

The fourth proportional to 269,062.47, 403,538.67 and 100,551.69 is: 150,806.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,062.47 : 403,538.67 = 100,551.69 : x
  2. Step 2: Convert to fraction form
    269,062.47/403,538.67 = 100,551.69/x
  3. Step 3: Cross multiply
    269,062.47x = 403,538.67 × 100,551.69
  4. Step 4: Simplify right side
    269,062.47x = 40,576,495,248.85
  5. Step 5: Solve for x
    x = 40,576,495,248.85/269,062.47
  6. Step 6: Final answer
    x = 150,806.97

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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.