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Finding the Fourth Proportional to 82,111.52, 113,313.84 and 44,385.78

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Solution

The fourth proportional to 82,111.52, 113,313.84 and 44,385.78 is: 61,252.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,111.52 : 113,313.84 = 44,385.78 : x
  2. Step 2: Convert to fraction form
    82,111.52/113,313.84 = 44,385.78/x
  3. Step 3: Cross multiply
    82,111.52x = 113,313.84 × 44,385.78
  4. Step 4: Simplify right side
    82,111.52x = 5,029,523,173.20
  5. Step 5: Solve for x
    x = 5,029,523,173.20/82,111.52
  6. Step 6: Final answer
    x = 61,252.35

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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.