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Finding the Fourth Proportional to 373,080.81, 559,701.18 and 120,375.75

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Solution

The fourth proportional to 373,080.81, 559,701.18 and 120,375.75 is: 180,589.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,080.81 : 559,701.18 = 120,375.75 : x
  2. Step 2: Convert to fraction form
    373,080.81/559,701.18 = 120,375.75/x
  3. Step 3: Cross multiply
    373,080.81x = 559,701.18 × 120,375.75
  4. Step 4: Simplify right side
    373,080.81x = 67,374,449,318.39
  5. Step 5: Solve for x
    x = 67,374,449,318.39/373,080.81
  6. Step 6: Final answer
    x = 180,589.43

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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.