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Finding the Fourth Proportional to 75,296.64, 103,910.75 and 41,306.87

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Solution

The fourth proportional to 75,296.64, 103,910.75 and 41,306.87 is: 57,004.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,296.64 : 103,910.75 = 41,306.87 : x
  2. Step 2: Convert to fraction form
    75,296.64/103,910.75 = 41,306.87/x
  3. Step 3: Cross multiply
    75,296.64x = 103,910.75 × 41,306.87
  4. Step 4: Simplify right side
    75,296.64x = 4,292,227,322.30
  5. Step 5: Solve for x
    x = 4,292,227,322.30/75,296.64
  6. Step 6: Final answer
    x = 57,004.23

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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.