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Finding the Fourth Proportional to 178,607.74, 246,481.86 and 98,042.76

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Solution

The fourth proportional to 178,607.74, 246,481.86 and 98,042.76 is: 135,300.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,607.74 : 246,481.86 = 98,042.76 : x
  2. Step 2: Convert to fraction form
    178,607.74/246,481.86 = 98,042.76/x
  3. Step 3: Cross multiply
    178,607.74x = 246,481.86 × 98,042.76
  4. Step 4: Simplify right side
    178,607.74x = 24,165,760,611.92
  5. Step 5: Solve for x
    x = 24,165,760,611.92/178,607.74
  6. Step 6: Final answer
    x = 135,300.75

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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.