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Finding the Fourth Proportional to 82,713.75, 114,145.11 and 44,988

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Solution

The fourth proportional to 82,713.75, 114,145.11 and 44,988 is: 62,083.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,713.75 : 114,145.11 = 44,988 : x
  2. Step 2: Convert to fraction form
    82,713.75/114,145.11 = 44,988/x
  3. Step 3: Cross multiply
    82,713.75x = 114,145.11 × 44,988
  4. Step 4: Simplify right side
    82,713.75x = 5,135,160,208.68
  5. Step 5: Solve for x
    x = 5,135,160,208.68/82,713.75
  6. Step 6: Final answer
    x = 62,083.51

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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.