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Finding the Fourth Proportional to 111,049.74, 166,582.80 and 35,165.70

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Solution

The fourth proportional to 111,049.74, 166,582.80 and 35,165.70 is: 52,751.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,049.74 : 166,582.80 = 35,165.70 : x
  2. Step 2: Convert to fraction form
    111,049.74/166,582.80 = 35,165.70/x
  3. Step 3: Cross multiply
    111,049.74x = 166,582.80 × 35,165.70
  4. Step 4: Simplify right side
    111,049.74x = 5,858,000,769.96
  5. Step 5: Solve for x
    x = 5,858,000,769.96/111,049.74
  6. Step 6: Final answer
    x = 52,751.14

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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.