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Finding the Fourth Proportional to 158,524.44, 218,786.10 and 98,114.52

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Solution

The fourth proportional to 158,524.44, 218,786.10 and 98,114.52 is: 135,411.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,524.44 : 218,786.10 = 98,114.52 : x
  2. Step 2: Convert to fraction form
    158,524.44/218,786.10 = 98,114.52/x
  3. Step 3: Cross multiply
    158,524.44x = 218,786.10 × 98,114.52
  4. Step 4: Simplify right side
    158,524.44x = 21,466,093,184.17
  5. Step 5: Solve for x
    x = 21,466,093,184.17/158,524.44
  6. Step 6: Final answer
    x = 135,411.88

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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.