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Finding the Fourth Proportional to 82,934.88, 124,453.92 and 33,686.88

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Solution

The fourth proportional to 82,934.88, 124,453.92 and 33,686.88 is: 50,551.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,934.88 : 124,453.92 = 33,686.88 : x
  2. Step 2: Convert to fraction form
    82,934.88/124,453.92 = 33,686.88/x
  3. Step 3: Cross multiply
    82,934.88x = 124,453.92 × 33,686.88
  4. Step 4: Simplify right side
    82,934.88x = 4,192,464,268.57
  5. Step 5: Solve for x
    x = 4,192,464,268.57/82,934.88
  6. Step 6: Final answer
    x = 50,551.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.