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Finding the Fourth Proportional to 69,233.96, 103,806.57 and 29,242.11

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Solution

The fourth proportional to 69,233.96, 103,806.57 and 29,242.11 is: 43,844.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,233.96 : 103,806.57 = 29,242.11 : x
  2. Step 2: Convert to fraction form
    69,233.96/103,806.57 = 29,242.11/x
  3. Step 3: Cross multiply
    69,233.96x = 103,806.57 × 29,242.11
  4. Step 4: Simplify right side
    69,233.96x = 3,035,523,138.66
  5. Step 5: Solve for x
    x = 3,035,523,138.66/69,233.96
  6. Step 6: Final answer
    x = 43,844.43

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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.