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Finding the Fourth Proportional to 378,344.53, 567,599.82 and 112,125.88

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Solution

The fourth proportional to 378,344.53, 567,599.82 and 112,125.88 is: 168,213.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,344.53 : 567,599.82 = 112,125.88 : x
  2. Step 2: Convert to fraction form
    378,344.53/567,599.82 = 112,125.88/x
  3. Step 3: Cross multiply
    378,344.53x = 567,599.82 × 112,125.88
  4. Step 4: Simplify right side
    378,344.53x = 63,642,629,305.34
  5. Step 5: Solve for x
    x = 63,642,629,305.34/378,344.53
  6. Step 6: Final answer
    x = 168,213.43

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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.