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Finding the Fourth Proportional to 61,798, 91,902.03 and 59,829.68

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Solution

The fourth proportional to 61,798, 91,902.03 and 59,829.68 is: 88,974.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,798 : 91,902.03 = 59,829.68 : x
  2. Step 2: Convert to fraction form
    61,798/91,902.03 = 59,829.68/x
  3. Step 3: Cross multiply
    61,798x = 91,902.03 × 59,829.68
  4. Step 4: Simplify right side
    61,798x = 5,498,469,046.25
  5. Step 5: Solve for x
    x = 5,498,469,046.25/61,798
  6. Step 6: Final answer
    x = 88,974.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.