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Finding the Fourth Proportional to 82,694.40, 124,003.20 and 35,923.20

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Solution

The fourth proportional to 82,694.40, 124,003.20 and 35,923.20 is: 53,868.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,694.40 : 124,003.20 = 35,923.20 : x
  2. Step 2: Convert to fraction form
    82,694.40/124,003.20 = 35,923.20/x
  3. Step 3: Cross multiply
    82,694.40x = 124,003.20 × 35,923.20
  4. Step 4: Simplify right side
    82,694.40x = 4,454,591,754.24
  5. Step 5: Solve for x
    x = 4,454,591,754.24/82,694.40
  6. Step 6: Final answer
    x = 53,868.12

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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.