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Finding the Fourth Proportional to 158,552.44, 218,917.18 and 102,062.23

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Solution

The fourth proportional to 158,552.44, 218,917.18 and 102,062.23 is: 140,919.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,552.44 : 218,917.18 = 102,062.23 : x
  2. Step 2: Convert to fraction form
    158,552.44/218,917.18 = 102,062.23/x
  3. Step 3: Cross multiply
    158,552.44x = 218,917.18 × 102,062.23
  4. Step 4: Simplify right side
    158,552.44x = 22,343,175,156.40
  5. Step 5: Solve for x
    x = 22,343,175,156.40/158,552.44
  6. Step 6: Final answer
    x = 140,919.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.