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Finding the Fourth Proportional to 178,714.88, 246,629.10 and 98,149.64

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Solution

The fourth proportional to 178,714.88, 246,629.10 and 98,149.64 is: 135,447.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,714.88 : 246,629.10 = 98,149.64 : x
  2. Step 2: Convert to fraction form
    178,714.88/246,629.10 = 98,149.64/x
  3. Step 3: Cross multiply
    178,714.88x = 246,629.10 × 98,149.64
  4. Step 4: Simplify right side
    178,714.88x = 24,206,557,378.52
  5. Step 5: Solve for x
    x = 24,206,557,378.52/178,714.88
  6. Step 6: Final answer
    x = 135,447.91

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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.