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Finding the Fourth Proportional to 73,755.40, 101,788.50 and 41,934.28

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Solution

The fourth proportional to 73,755.40, 101,788.50 and 41,934.28 is: 57,872.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,755.40 : 101,788.50 = 41,934.28 : x
  2. Step 2: Convert to fraction form
    73,755.40/101,788.50 = 41,934.28/x
  3. Step 3: Cross multiply
    73,755.40x = 101,788.50 × 41,934.28
  4. Step 4: Simplify right side
    73,755.40x = 4,268,427,459.78
  5. Step 5: Solve for x
    x = 4,268,427,459.78/73,755.40
  6. Step 6: Final answer
    x = 57,872.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.