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Finding the Fourth Proportional to 75,394.68, 104,037.30 and 43,559.16

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Solution

The fourth proportional to 75,394.68, 104,037.30 and 43,559.16 is: 60,107.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,394.68 : 104,037.30 = 43,559.16 : x
  2. Step 2: Convert to fraction form
    75,394.68/104,037.30 = 43,559.16/x
  3. Step 3: Cross multiply
    75,394.68x = 104,037.30 × 43,559.16
  4. Step 4: Simplify right side
    75,394.68x = 4,531,777,396.67
  5. Step 5: Solve for x
    x = 4,531,777,396.67/75,394.68
  6. Step 6: Final answer
    x = 60,107.39

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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.