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Finding the Fourth Proportional to 168,657.72, 252,994.68 and 50,338.32

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Solution

The fourth proportional to 168,657.72, 252,994.68 and 50,338.32 is: 75,509.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,657.72 : 252,994.68 = 50,338.32 : x
  2. Step 2: Convert to fraction form
    168,657.72/252,994.68 = 50,338.32/x
  3. Step 3: Cross multiply
    168,657.72x = 252,994.68 × 50,338.32
  4. Step 4: Simplify right side
    168,657.72x = 12,735,327,160.14
  5. Step 5: Solve for x
    x = 12,735,327,160.14/168,657.72
  6. Step 6: Final answer
    x = 75,509.90

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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.