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Finding the Fourth Proportional to 111,157.35, 166,613.69 and 54,914.19

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Solution

The fourth proportional to 111,157.35, 166,613.69 and 54,914.19 is: 82,310.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,157.35 : 166,613.69 = 54,914.19 : x
  2. Step 2: Convert to fraction form
    111,157.35/166,613.69 = 54,914.19/x
  3. Step 3: Cross multiply
    111,157.35x = 166,613.69 × 54,914.19
  4. Step 4: Simplify right side
    111,157.35x = 9,149,455,554.69
  5. Step 5: Solve for x
    x = 9,149,455,554.69/111,157.35
  6. Step 6: Final answer
    x = 82,310.85

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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.