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Finding the Fourth Proportional to 67,969.56, 101,839.30 and 41,619.28

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Solution

The fourth proportional to 67,969.56, 101,839.30 and 41,619.28 is: 62,358.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,969.56 : 101,839.30 = 41,619.28 : x
  2. Step 2: Convert to fraction form
    67,969.56/101,839.30 = 41,619.28/x
  3. Step 3: Cross multiply
    67,969.56x = 101,839.30 × 41,619.28
  4. Step 4: Simplify right side
    67,969.56x = 4,238,478,341.70
  5. Step 5: Solve for x
    x = 4,238,478,341.70/67,969.56
  6. Step 6: Final answer
    x = 62,358.48

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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.