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Finding the Fourth Proportional to 168,074.10, 252,111.15 and 166,907.70

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Solution

The fourth proportional to 168,074.10, 252,111.15 and 166,907.70 is: 250,361.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,074.10 : 252,111.15 = 166,907.70 : x
  2. Step 2: Convert to fraction form
    168,074.10/252,111.15 = 166,907.70/x
  3. Step 3: Cross multiply
    168,074.10x = 252,111.15 × 166,907.70
  4. Step 4: Simplify right side
    168,074.10x = 42,079,292,190.86
  5. Step 5: Solve for x
    x = 42,079,292,190.86/168,074.10
  6. Step 6: Final answer
    x = 250,361.55

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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.