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Finding the Fourth Proportional to 104,063.01, 143,571.89 and 67,747.87

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Solution

The fourth proportional to 104,063.01, 143,571.89 and 67,747.87 is: 93,469.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,063.01 : 143,571.89 = 67,747.87 : x
  2. Step 2: Convert to fraction form
    104,063.01/143,571.89 = 67,747.87/x
  3. Step 3: Cross multiply
    104,063.01x = 143,571.89 × 67,747.87
  4. Step 4: Simplify right side
    104,063.01x = 9,726,690,088.21
  5. Step 5: Solve for x
    x = 9,726,690,088.21/104,063.01
  6. Step 6: Final answer
    x = 93,469.24

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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.