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Finding the Fourth Proportional to 168,478.98, 252,592.10 and 101,905.48

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Solution

The fourth proportional to 168,478.98, 252,592.10 and 101,905.48 is: 152,781.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,478.98 : 252,592.10 = 101,905.48 : x
  2. Step 2: Convert to fraction form
    168,478.98/252,592.10 = 101,905.48/x
  3. Step 3: Cross multiply
    168,478.98x = 252,592.10 × 101,905.48
  4. Step 4: Simplify right side
    168,478.98x = 25,740,519,194.71
  5. Step 5: Solve for x
    x = 25,740,519,194.71/168,478.98
  6. Step 6: Final answer
    x = 152,781.78

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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.