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Finding the Fourth Proportional to 373,099.43, 559,758.13 and 120,374.30

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Solution

The fourth proportional to 373,099.43, 559,758.13 and 120,374.30 is: 180,596.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,099.43 : 559,758.13 = 120,374.30 : x
  2. Step 2: Convert to fraction form
    373,099.43/559,758.13 = 120,374.30/x
  3. Step 3: Cross multiply
    373,099.43x = 559,758.13 × 120,374.30
  4. Step 4: Simplify right side
    373,099.43x = 67,380,494,166.52
  5. Step 5: Solve for x
    x = 67,380,494,166.52/373,099.43
  6. Step 6: Final answer
    x = 180,596.61

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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.