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Finding the Fourth Proportional to 73,694.18, 101,700.70 and 41,868.48

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Solution

The fourth proportional to 73,694.18, 101,700.70 and 41,868.48 is: 57,780.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,694.18 : 101,700.70 = 41,868.48 : x
  2. Step 2: Convert to fraction form
    73,694.18/101,700.70 = 41,868.48/x
  3. Step 3: Cross multiply
    73,694.18x = 101,700.70 × 41,868.48
  4. Step 4: Simplify right side
    73,694.18x = 4,258,053,723.94
  5. Step 5: Solve for x
    x = 4,258,053,723.94/73,694.18
  6. Step 6: Final answer
    x = 57,780.05

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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.