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Finding the Fourth Proportional to 178,584.85, 246,450.15 and 98,019.89

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Solution

The fourth proportional to 178,584.85, 246,450.15 and 98,019.89 is: 135,269.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,584.85 : 246,450.15 = 98,019.89 : x
  2. Step 2: Convert to fraction form
    178,584.85/246,450.15 = 98,019.89/x
  3. Step 3: Cross multiply
    178,584.85x = 246,450.15 × 98,019.89
  4. Step 4: Simplify right side
    178,584.85x = 24,157,016,593.48
  5. Step 5: Solve for x
    x = 24,157,016,593.48/178,584.85
  6. Step 6: Final answer
    x = 135,269.13

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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.