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Finding the Fourth Proportional to 231,225.04, 318,996.12 and 183,286

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Solution

The fourth proportional to 231,225.04, 318,996.12 and 183,286 is: 252,859.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,225.04 : 318,996.12 = 183,286 : x
  2. Step 2: Convert to fraction form
    231,225.04/318,996.12 = 183,286/x
  3. Step 3: Cross multiply
    231,225.04x = 318,996.12 × 183,286
  4. Step 4: Simplify right side
    231,225.04x = 58,467,522,850.32
  5. Step 5: Solve for x
    x = 58,467,522,850.32/231,225.04
  6. Step 6: Final answer
    x = 252,859.82

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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.