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Finding the Fourth Proportional to 178,705.92, 246,604.50 and 98,144.04

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Solution

The fourth proportional to 178,705.92, 246,604.50 and 98,144.04 is: 135,433.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,705.92 : 246,604.50 = 98,144.04 : x
  2. Step 2: Convert to fraction form
    178,705.92/246,604.50 = 98,144.04/x
  3. Step 3: Cross multiply
    178,705.92x = 246,604.50 × 98,144.04
  4. Step 4: Simplify right side
    178,705.92x = 24,202,761,912.18
  5. Step 5: Solve for x
    x = 24,202,761,912.18/178,705.92
  6. Step 6: Final answer
    x = 135,433.46

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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.