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Finding the Fourth Proportional to 112,354.56, 168,531.30 and 29,248.56

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Solution

The fourth proportional to 112,354.56, 168,531.30 and 29,248.56 is: 43,872.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,354.56 : 168,531.30 = 29,248.56 : x
  2. Step 2: Convert to fraction form
    112,354.56/168,531.30 = 29,248.56/x
  3. Step 3: Cross multiply
    112,354.56x = 168,531.30 × 29,248.56
  4. Step 4: Simplify right side
    112,354.56x = 4,929,297,839.93
  5. Step 5: Solve for x
    x = 4,929,297,839.93/112,354.56
  6. Step 6: Final answer
    x = 43,872.70

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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.