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Finding the Fourth Proportional to 115,617.26, 173,320.72 and 44,494.54

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Solution

The fourth proportional to 115,617.26, 173,320.72 and 44,494.54 is: 66,701.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,617.26 : 173,320.72 = 44,494.54 : x
  2. Step 2: Convert to fraction form
    115,617.26/173,320.72 = 44,494.54/x
  3. Step 3: Cross multiply
    115,617.26x = 173,320.72 × 44,494.54
  4. Step 4: Simplify right side
    115,617.26x = 7,711,825,708.87
  5. Step 5: Solve for x
    x = 7,711,825,708.87/115,617.26
  6. Step 6: Final answer
    x = 66,701.34

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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.