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Finding the Fourth Proportional to 82,371, 113,672.39 and 44,645.25

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Solution

The fourth proportional to 82,371, 113,672.39 and 44,645.25 is: 61,610.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,371 : 113,672.39 = 44,645.25 : x
  2. Step 2: Convert to fraction form
    82,371/113,672.39 = 44,645.25/x
  3. Step 3: Cross multiply
    82,371x = 113,672.39 × 44,645.25
  4. Step 4: Simplify right side
    82,371x = 5,074,932,046.42
  5. Step 5: Solve for x
    x = 5,074,932,046.42/82,371
  6. Step 6: Final answer
    x = 61,610.66

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