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Finding the Fourth Proportional to 58,081, 80,139.42 and 34,198.96

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Solution

The fourth proportional to 58,081, 80,139.42 and 34,198.96 is: 47,187.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,081 : 80,139.42 = 34,198.96 : x
  2. Step 2: Convert to fraction form
    58,081/80,139.42 = 34,198.96/x
  3. Step 3: Cross multiply
    58,081x = 80,139.42 × 34,198.96
  4. Step 4: Simplify right side
    58,081x = 2,740,684,819.00
  5. Step 5: Solve for x
    x = 2,740,684,819.00/58,081
  6. Step 6: Final answer
    x = 47,187.29

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.