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Finding the Fourth Proportional to 67,452.78, 101,184.06 and 25,899.78

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Solution

The fourth proportional to 67,452.78, 101,184.06 and 25,899.78 is: 38,851.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,452.78 : 101,184.06 = 25,899.78 : x
  2. Step 2: Convert to fraction form
    67,452.78/101,184.06 = 25,899.78/x
  3. Step 3: Cross multiply
    67,452.78x = 101,184.06 × 25,899.78
  4. Step 4: Simplify right side
    67,452.78x = 2,620,644,893.51
  5. Step 5: Solve for x
    x = 2,620,644,893.51/67,452.78
  6. Step 6: Final answer
    x = 38,851.55

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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.