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Finding the Fourth Proportional to 61,806.97, 85,250.10 and 59,749.44

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Solution

The fourth proportional to 61,806.97, 85,250.10 and 59,749.44 is: 82,412.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,806.97 : 85,250.10 = 59,749.44 : x
  2. Step 2: Convert to fraction form
    61,806.97/85,250.10 = 59,749.44/x
  3. Step 3: Cross multiply
    61,806.97x = 85,250.10 × 59,749.44
  4. Step 4: Simplify right side
    61,806.97x = 5,093,645,734.94
  5. Step 5: Solve for x
    x = 5,093,645,734.94/61,806.97
  6. Step 6: Final answer
    x = 82,412.16

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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.