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Finding the Fourth Proportional to 61,799.80, 92,693.28 and 41,936.80

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Solution

The fourth proportional to 61,799.80, 92,693.28 and 41,936.80 is: 62,900.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,799.80 : 92,693.28 = 41,936.80 : x
  2. Step 2: Convert to fraction form
    61,799.80/92,693.28 = 41,936.80/x
  3. Step 3: Cross multiply
    61,799.80x = 92,693.28 × 41,936.80
  4. Step 4: Simplify right side
    61,799.80x = 3,887,259,544.70
  5. Step 5: Solve for x
    x = 3,887,259,544.70/61,799.80
  6. Step 6: Final answer
    x = 62,900.84

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Why These Related Problems?

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