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Finding the Fourth Proportional to 237,859.92, 356,844.48 and 80,084.16

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Solution

The fourth proportional to 237,859.92, 356,844.48 and 80,084.16 is: 120,144.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,859.92 : 356,844.48 = 80,084.16 : x
  2. Step 2: Convert to fraction form
    237,859.92/356,844.48 = 80,084.16/x
  3. Step 3: Cross multiply
    237,859.92x = 356,844.48 × 80,084.16
  4. Step 4: Simplify right side
    237,859.92x = 28,577,590,431.44
  5. Step 5: Solve for x
    x = 28,577,590,431.44/237,859.92
  6. Step 6: Final answer
    x = 120,144.62

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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.