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Finding the Fourth Proportional to 373,142.80, 559,832.58 and 133,251.46

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Solution

The fourth proportional to 373,142.80, 559,832.58 and 133,251.46 is: 199,919.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,142.80 : 559,832.58 = 133,251.46 : x
  2. Step 2: Convert to fraction form
    373,142.80/559,832.58 = 133,251.46/x
  3. Step 3: Cross multiply
    373,142.80x = 559,832.58 × 133,251.46
  4. Step 4: Simplify right side
    373,142.80x = 74,598,508,640.57
  5. Step 5: Solve for x
    x = 74,598,508,640.57/373,142.80
  6. Step 6: Final answer
    x = 199,919.46

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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.