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Finding the Fourth Proportional to 73,698.18, 101,706.21 and 41,872.47

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Solution

The fourth proportional to 73,698.18, 101,706.21 and 41,872.47 is: 57,785.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,698.18 : 101,706.21 = 41,872.47 : x
  2. Step 2: Convert to fraction form
    73,698.18/101,706.21 = 41,872.47/x
  3. Step 3: Cross multiply
    73,698.18x = 101,706.21 × 41,872.47
  4. Step 4: Simplify right side
    73,698.18x = 4,258,690,227.04
  5. Step 5: Solve for x
    x = 4,258,690,227.04/73,698.18
  6. Step 6: Final answer
    x = 57,785.55

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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.