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Finding the Fourth Proportional to 82,565.70, 113,940.99 and 44,839.68

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Solution

The fourth proportional to 82,565.70, 113,940.99 and 44,839.68 is: 61,878.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,565.70 : 113,940.99 = 44,839.68 : x
  2. Step 2: Convert to fraction form
    82,565.70/113,940.99 = 44,839.68/x
  3. Step 3: Cross multiply
    82,565.70x = 113,940.99 × 44,839.68
  4. Step 4: Simplify right side
    82,565.70x = 5,109,077,530.48
  5. Step 5: Solve for x
    x = 5,109,077,530.48/82,565.70
  6. Step 6: Final answer
    x = 61,878.93

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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.