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Finding the Fourth Proportional to 178,607.80, 246,481.32 and 98,033.86

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Solution

The fourth proportional to 178,607.80, 246,481.32 and 98,033.86 is: 135,288.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,607.80 : 246,481.32 = 98,033.86 : x
  2. Step 2: Convert to fraction form
    178,607.80/246,481.32 = 98,033.86/x
  3. Step 3: Cross multiply
    178,607.80x = 246,481.32 × 98,033.86
  4. Step 4: Simplify right side
    178,607.80x = 24,163,515,217.50
  5. Step 5: Solve for x
    x = 24,163,515,217.50/178,607.80
  6. Step 6: Final answer
    x = 135,288.13

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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.