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Finding the Fourth Proportional to 267,489.78, 401,118.03 and 101,161.14

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Solution

The fourth proportional to 267,489.78, 401,118.03 and 101,161.14 is: 151,697.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,489.78 : 401,118.03 = 101,161.14 : x
  2. Step 2: Convert to fraction form
    267,489.78/401,118.03 = 101,161.14/x
  3. Step 3: Cross multiply
    267,489.78x = 401,118.03 × 101,161.14
  4. Step 4: Simplify right side
    267,489.78x = 40,577,557,189.35
  5. Step 5: Solve for x
    x = 40,577,557,189.35/267,489.78
  6. Step 6: Final answer
    x = 151,697.60

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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.