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Finding the Fourth Proportional to 92,573.32, 138,766.48 and 36,452.82

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Solution

The fourth proportional to 92,573.32, 138,766.48 and 36,452.82 is: 54,642.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,573.32 : 138,766.48 = 36,452.82 : x
  2. Step 2: Convert to fraction form
    92,573.32/138,766.48 = 36,452.82/x
  3. Step 3: Cross multiply
    92,573.32x = 138,766.48 × 36,452.82
  4. Step 4: Simplify right side
    92,573.32x = 5,058,429,517.47
  5. Step 5: Solve for x
    x = 5,058,429,517.47/92,573.32
  6. Step 6: Final answer
    x = 54,642.41

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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.