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Finding the Fourth Proportional to 251,997.75, 377,999.46 and 107,884.17

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Solution

The fourth proportional to 251,997.75, 377,999.46 and 107,884.17 is: 161,827.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,997.75 : 377,999.46 = 107,884.17 : x
  2. Step 2: Convert to fraction form
    251,997.75/377,999.46 = 107,884.17/x
  3. Step 3: Cross multiply
    251,997.75x = 377,999.46 × 107,884.17
  4. Step 4: Simplify right side
    251,997.75x = 40,780,158,002.55
  5. Step 5: Solve for x
    x = 40,780,158,002.55/251,997.75
  6. Step 6: Final answer
    x = 161,827.47

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1.5x scale

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.