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Finding the Fourth Proportional to 83,366.97, 115,049.23 and 45,642.01

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Solution

The fourth proportional to 83,366.97, 115,049.23 and 45,642.01 is: 62,987.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,366.97 : 115,049.23 = 45,642.01 : x
  2. Step 2: Convert to fraction form
    83,366.97/115,049.23 = 45,642.01/x
  3. Step 3: Cross multiply
    83,366.97x = 115,049.23 × 45,642.01
  4. Step 4: Simplify right side
    83,366.97x = 5,251,077,877.94
  5. Step 5: Solve for x
    x = 5,251,077,877.94/83,366.97
  6. Step 6: Final answer
    x = 62,987.51

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1.5x scale

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.