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Finding the Fourth Proportional to 109,101.60, 163,579.50 and 88,067.52

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Solution

The fourth proportional to 109,101.60, 163,579.50 and 88,067.52 is: 132,042.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,101.60 : 163,579.50 = 88,067.52 : x
  2. Step 2: Convert to fraction form
    109,101.60/163,579.50 = 88,067.52/x
  3. Step 3: Cross multiply
    109,101.60x = 163,579.50 × 88,067.52
  4. Step 4: Simplify right side
    109,101.60x = 14,406,040,887.84
  5. Step 5: Solve for x
    x = 14,406,040,887.84/109,101.60
  6. Step 6: Final answer
    x = 132,042.43

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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.