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Finding the Fourth Proportional to 73,758.68, 101,771.72 and 43,125.87

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Solution

The fourth proportional to 73,758.68, 101,771.72 and 43,125.87 is: 59,504.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,758.68 : 101,771.72 = 43,125.87 : x
  2. Step 2: Convert to fraction form
    73,758.68/101,771.72 = 43,125.87/x
  3. Step 3: Cross multiply
    73,758.68x = 101,771.72 × 43,125.87
  4. Step 4: Simplify right side
    73,758.68x = 4,388,994,294.13
  5. Step 5: Solve for x
    x = 4,388,994,294.13/73,758.68
  6. Step 6: Final answer
    x = 59,504.78

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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.