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Finding the Fourth Proportional to 92,175.66, 138,266.13 and 25,620.66

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Solution

The fourth proportional to 92,175.66, 138,266.13 and 25,620.66 is: 38,431.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,175.66 : 138,266.13 = 25,620.66 : x
  2. Step 2: Convert to fraction form
    92,175.66/138,266.13 = 25,620.66/x
  3. Step 3: Cross multiply
    92,175.66x = 138,266.13 × 25,620.66
  4. Step 4: Simplify right side
    92,175.66x = 3,542,469,506.25
  5. Step 5: Solve for x
    x = 3,542,469,506.25/92,175.66
  6. Step 6: Final answer
    x = 38,431.72

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1.5x scale

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.