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Finding the Fourth Proportional to 82,370.72, 113,670.60 and 44,644.52

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Solution

The fourth proportional to 82,370.72, 113,670.60 and 44,644.52 is: 61,608.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,370.72 : 113,670.60 = 44,644.52 : x
  2. Step 2: Convert to fraction form
    82,370.72/113,670.60 = 44,644.52/x
  3. Step 3: Cross multiply
    82,370.72x = 113,670.60 × 44,644.52
  4. Step 4: Simplify right side
    82,370.72x = 5,074,769,375.11
  5. Step 5: Solve for x
    x = 5,074,769,375.11/82,370.72
  6. Step 6: Final answer
    x = 61,608.90

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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.