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Finding the Fourth Proportional to 140,361.35, 193,698.44 and 79,932.02

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Solution

The fourth proportional to 140,361.35, 193,698.44 and 79,932.02 is: 110,306.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,361.35 : 193,698.44 = 79,932.02 : x
  2. Step 2: Convert to fraction form
    140,361.35/193,698.44 = 79,932.02/x
  3. Step 3: Cross multiply
    140,361.35x = 193,698.44 × 79,932.02
  4. Step 4: Simplify right side
    140,361.35x = 15,482,706,211.90
  5. Step 5: Solve for x
    x = 15,482,706,211.90/140,361.35
  6. Step 6: Final answer
    x = 110,306.05

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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.