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Finding the Fourth Proportional to 178,770.96, 246,691.80 and 98,201.88

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Solution

The fourth proportional to 178,770.96, 246,691.80 and 98,201.88 is: 135,511.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,770.96 : 246,691.80 = 98,201.88 : x
  2. Step 2: Convert to fraction form
    178,770.96/246,691.80 = 98,201.88/x
  3. Step 3: Cross multiply
    178,770.96x = 246,691.80 × 98,201.88
  4. Step 4: Simplify right side
    178,770.96x = 24,225,598,540.58
  5. Step 5: Solve for x
    x = 24,225,598,540.58/178,770.96
  6. Step 6: Final answer
    x = 135,511.93

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1.5x scale

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.