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Finding the Fourth Proportional to 61,496.26, 91,719.31 and 52,197.46

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Solution

The fourth proportional to 61,496.26, 91,719.31 and 52,197.46 is: 77,850.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,496.26 : 91,719.31 = 52,197.46 : x
  2. Step 2: Convert to fraction form
    61,496.26/91,719.31 = 52,197.46/x
  3. Step 3: Cross multiply
    61,496.26x = 91,719.31 × 52,197.46
  4. Step 4: Simplify right side
    61,496.26x = 4,787,515,014.95
  5. Step 5: Solve for x
    x = 4,787,515,014.95/61,496.26
  6. Step 6: Final answer
    x = 77,850.51

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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.