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Finding the Fourth Proportional to 168,158.75, 252,024.83 and 166,379.05

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Solution

The fourth proportional to 168,158.75, 252,024.83 and 166,379.05 is: 249,357.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,158.75 : 252,024.83 = 166,379.05 : x
  2. Step 2: Convert to fraction form
    168,158.75/252,024.83 = 166,379.05/x
  3. Step 3: Cross multiply
    168,158.75x = 252,024.83 × 166,379.05
  4. Step 4: Simplify right side
    168,158.75x = 41,931,651,791.81
  5. Step 5: Solve for x
    x = 41,931,651,791.81/168,158.75
  6. Step 6: Final answer
    x = 249,357.54

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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.