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Finding the Fourth Proportional to 168,577.35, 252,865.08 and 68,737.16

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Solution

The fourth proportional to 168,577.35, 252,865.08 and 68,737.16 is: 103,105.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,577.35 : 252,865.08 = 68,737.16 : x
  2. Step 2: Convert to fraction form
    168,577.35/252,865.08 = 68,737.16/x
  3. Step 3: Cross multiply
    168,577.35x = 252,865.08 × 68,737.16
  4. Step 4: Simplify right side
    168,577.35x = 17,381,226,198.05
  5. Step 5: Solve for x
    x = 17,381,226,198.05/168,577.35
  6. Step 6: Final answer
    x = 103,105.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.