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Finding the Fourth Proportional to 267,751.32, 401,413.84 and 132,720.36

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Solution

The fourth proportional to 267,751.32, 401,413.84 and 132,720.36 is: 198,974.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,751.32 : 401,413.84 = 132,720.36 : x
  2. Step 2: Convert to fraction form
    267,751.32/401,413.84 = 132,720.36/x
  3. Step 3: Cross multiply
    267,751.32x = 401,413.84 × 132,720.36
  4. Step 4: Simplify right side
    267,751.32x = 53,275,789,353.78
  5. Step 5: Solve for x
    x = 53,275,789,353.78/267,751.32
  6. Step 6: Final answer
    x = 198,974.89

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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.