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Finding the Fourth Proportional to 111,219.52, 166,855.20 and 36,343.12

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Solution

The fourth proportional to 111,219.52, 166,855.20 and 36,343.12 is: 54,523.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,219.52 : 166,855.20 = 36,343.12 : x
  2. Step 2: Convert to fraction form
    111,219.52/166,855.20 = 36,343.12/x
  3. Step 3: Cross multiply
    111,219.52x = 166,855.20 × 36,343.12
  4. Step 4: Simplify right side
    111,219.52x = 6,064,038,556.22
  5. Step 5: Solve for x
    x = 6,064,038,556.22/111,219.52
  6. Step 6: Final answer
    x = 54,523.15

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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.