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Finding the Fourth Proportional to 113,690.76, 170,507.05 and 33,710.03

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Solution

The fourth proportional to 113,690.76, 170,507.05 and 33,710.03 is: 50,556.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,690.76 : 170,507.05 = 33,710.03 : x
  2. Step 2: Convert to fraction form
    113,690.76/170,507.05 = 33,710.03/x
  3. Step 3: Cross multiply
    113,690.76x = 170,507.05 × 33,710.03
  4. Step 4: Simplify right side
    113,690.76x = 5,747,797,473.30
  5. Step 5: Solve for x
    x = 5,747,797,473.30/113,690.76
  6. Step 6: Final answer
    x = 50,556.42

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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.