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Finding the Fourth Proportional to 75,530.56, 104,245.22 and 43,717

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Solution

The fourth proportional to 75,530.56, 104,245.22 and 43,717 is: 60,337.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,530.56 : 104,245.22 = 43,717 : x
  2. Step 2: Convert to fraction form
    75,530.56/104,245.22 = 43,717/x
  3. Step 3: Cross multiply
    75,530.56x = 104,245.22 × 43,717
  4. Step 4: Simplify right side
    75,530.56x = 4,557,288,282.74
  5. Step 5: Solve for x
    x = 4,557,288,282.74/75,530.56
  6. Step 6: Final answer
    x = 60,337.01

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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.