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Finding the Fourth Proportional to 373,108.26, 559,742.08 and 120,403.11

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Solution

The fourth proportional to 373,108.26, 559,742.08 and 120,403.11 is: 180,630.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,108.26 : 559,742.08 = 120,403.11 : x
  2. Step 2: Convert to fraction form
    373,108.26/559,742.08 = 120,403.11/x
  3. Step 3: Cross multiply
    373,108.26x = 559,742.08 × 120,403.11
  4. Step 4: Simplify right side
    373,108.26x = 67,394,687,229.87
  5. Step 5: Solve for x
    x = 67,394,687,229.87/373,108.26
  6. Step 6: Final answer
    x = 180,630.38

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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.