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Finding the Fourth Proportional to 101,583.97, 140,187.34 and 58,562.65

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Solution

The fourth proportional to 101,583.97, 140,187.34 and 58,562.65 is: 80,817.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,583.97 : 140,187.34 = 58,562.65 : x
  2. Step 2: Convert to fraction form
    101,583.97/140,187.34 = 58,562.65/x
  3. Step 3: Cross multiply
    101,583.97x = 140,187.34 × 58,562.65
  4. Step 4: Simplify right side
    101,583.97x = 8,209,741,586.73
  5. Step 5: Solve for x
    x = 8,209,741,586.73/101,583.97
  6. Step 6: Final answer
    x = 80,817.29

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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.