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Finding the Fourth Proportional to 67,395.12, 101,112.12 and 27,944.88

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Solution

The fourth proportional to 67,395.12, 101,112.12 and 27,944.88 is: 41,925.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,395.12 : 101,112.12 = 27,944.88 : x
  2. Step 2: Convert to fraction form
    67,395.12/101,112.12 = 27,944.88/x
  3. Step 3: Cross multiply
    67,395.12x = 101,112.12 × 27,944.88
  4. Step 4: Simplify right side
    67,395.12x = 2,825,566,059.95
  5. Step 5: Solve for x
    x = 2,825,566,059.95/67,395.12
  6. Step 6: Final answer
    x = 41,925.38

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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.