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Finding the Fourth Proportional to 75,323.80, 113,034.30 and 43,733.80

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Solution

The fourth proportional to 75,323.80, 113,034.30 and 43,733.80 is: 65,628.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,323.80 : 113,034.30 = 43,733.80 : x
  2. Step 2: Convert to fraction form
    75,323.80/113,034.30 = 43,733.80/x
  3. Step 3: Cross multiply
    75,323.80x = 113,034.30 × 43,733.80
  4. Step 4: Simplify right side
    75,323.80x = 4,943,419,469.34
  5. Step 5: Solve for x
    x = 4,943,419,469.34/75,323.80
  6. Step 6: Final answer
    x = 65,628.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.