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Finding the Fourth Proportional to 82,108.72, 113,309.85 and 44,382.88

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Solution

The fourth proportional to 82,108.72, 113,309.85 and 44,382.88 is: 61,248.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,108.72 : 113,309.85 = 44,382.88 : x
  2. Step 2: Convert to fraction form
    82,108.72/113,309.85 = 44,382.88/x
  3. Step 3: Cross multiply
    82,108.72x = 113,309.85 × 44,382.88
  4. Step 4: Simplify right side
    82,108.72x = 5,029,017,475.37
  5. Step 5: Solve for x
    x = 5,029,017,475.37/82,108.72
  6. Step 6: Final answer
    x = 61,248.28

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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.