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Finding the Fourth Proportional to 168,744.60, 252,991.62 and 102,168.90

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Solution

The fourth proportional to 168,744.60, 252,991.62 and 102,168.90 is: 153,177.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,744.60 : 252,991.62 = 102,168.90 : x
  2. Step 2: Convert to fraction form
    168,744.60/252,991.62 = 102,168.90/x
  3. Step 3: Cross multiply
    168,744.60x = 252,991.62 × 102,168.90
  4. Step 4: Simplify right side
    168,744.60x = 25,847,875,524.62
  5. Step 5: Solve for x
    x = 25,847,875,524.62/168,744.60
  6. Step 6: Final answer
    x = 153,177.50

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1.5x scale

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.