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Finding the Fourth Proportional to 91,206, 136,761.48 and 41,243.04

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Solution

The fourth proportional to 91,206, 136,761.48 and 41,243.04 is: 61,843.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,206 : 136,761.48 = 41,243.04 : x
  2. Step 2: Convert to fraction form
    91,206/136,761.48 = 41,243.04/x
  3. Step 3: Cross multiply
    91,206x = 136,761.48 × 41,243.04
  4. Step 4: Simplify right side
    91,206x = 5,640,459,190.10
  5. Step 5: Solve for x
    x = 5,640,459,190.10/91,206
  6. Step 6: Final answer
    x = 61,843.07

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.