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Finding the Fourth Proportional to 101,067.60, 151,309.80 and 61,701.60

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Solution

The fourth proportional to 101,067.60, 151,309.80 and 61,701.60 is: 92,374.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,067.60 : 151,309.80 = 61,701.60 : x
  2. Step 2: Convert to fraction form
    101,067.60/151,309.80 = 61,701.60/x
  3. Step 3: Cross multiply
    101,067.60x = 151,309.80 × 61,701.60
  4. Step 4: Simplify right side
    101,067.60x = 9,336,056,755.68
  5. Step 5: Solve for x
    x = 9,336,056,755.68/101,067.60
  6. Step 6: Final answer
    x = 92,374.38

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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.