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Finding the Fourth Proportional to 73,751.60, 101,771.16 and 41,913.20

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Solution

The fourth proportional to 73,751.60, 101,771.16 and 41,913.20 is: 57,836.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,751.60 : 101,771.16 = 41,913.20 : x
  2. Step 2: Convert to fraction form
    73,751.60/101,771.16 = 41,913.20/x
  3. Step 3: Cross multiply
    73,751.60x = 101,771.16 × 41,913.20
  4. Step 4: Simplify right side
    73,751.60x = 4,265,554,983.31
  5. Step 5: Solve for x
    x = 4,265,554,983.31/73,751.60
  6. Step 6: Final answer
    x = 57,836.78

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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.