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Finding the Fourth Proportional to 83,169.75, 114,775.07 and 45,444

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Solution

The fourth proportional to 83,169.75, 114,775.07 and 45,444 is: 62,713.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,169.75 : 114,775.07 = 45,444 : x
  2. Step 2: Convert to fraction form
    83,169.75/114,775.07 = 45,444/x
  3. Step 3: Cross multiply
    83,169.75x = 114,775.07 × 45,444
  4. Step 4: Simplify right side
    83,169.75x = 5,215,838,053.86
  5. Step 5: Solve for x
    x = 5,215,838,053.86/83,169.75
  6. Step 6: Final answer
    x = 62,713.16

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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.