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Finding the Fourth Proportional to 112,644, 168,966 and 29,538

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Solution

The fourth proportional to 112,644, 168,966 and 29,538 is: 44,307

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,644 : 168,966 = 29,538 : x
  2. Step 2: Convert to fraction form
    112,644/168,966 = 29,538/x
  3. Step 3: Cross multiply
    112,644x = 168,966 × 29,538
  4. Step 4: Simplify right side
    112,644x = 4,990,917,708
  5. Step 5: Solve for x
    x = 4,990,917,708/112,644
  6. Step 6: Final answer
    x = 44,307

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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.