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Finding the Fourth Proportional to 104,197, 143,794.80 and 58,876.90

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Solution

The fourth proportional to 104,197, 143,794.80 and 58,876.90 is: 81,251.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,197 : 143,794.80 = 58,876.90 : x
  2. Step 2: Convert to fraction form
    104,197/143,794.80 = 58,876.90/x
  3. Step 3: Cross multiply
    104,197x = 143,794.80 × 58,876.90
  4. Step 4: Simplify right side
    104,197x = 8,466,192,060.12
  5. Step 5: Solve for x
    x = 8,466,192,060.12/104,197
  6. Step 6: Final answer
    x = 81,251.78

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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.