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Finding the Fourth Proportional to 82,531.44, 113,894.10 and 44,805.78

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Solution

The fourth proportional to 82,531.44, 113,894.10 and 44,805.78 is: 61,832.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,531.44 : 113,894.10 = 44,805.78 : x
  2. Step 2: Convert to fraction form
    82,531.44/113,894.10 = 44,805.78/x
  3. Step 3: Cross multiply
    82,531.44x = 113,894.10 × 44,805.78
  4. Step 4: Simplify right side
    82,531.44x = 5,103,113,987.90
  5. Step 5: Solve for x
    x = 5,103,113,987.90/82,531.44
  6. Step 6: Final answer
    x = 61,832.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.