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Finding the Fourth Proportional to 237,376, 327,578.88 and 131,392

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Solution

The fourth proportional to 237,376, 327,578.88 and 131,392 is: 181,320.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,376 : 327,578.88 = 131,392 : x
  2. Step 2: Convert to fraction form
    237,376/327,578.88 = 131,392/x
  3. Step 3: Cross multiply
    237,376x = 327,578.88 × 131,392
  4. Step 4: Simplify right side
    237,376x = 43,041,244,200.96
  5. Step 5: Solve for x
    x = 43,041,244,200.96/237,376
  6. Step 6: Final answer
    x = 181,320.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.