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Finding the Fourth Proportional to 111,065.82, 166,616.49 and 36,180.20

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Solution

The fourth proportional to 111,065.82, 166,616.49 and 36,180.20 is: 54,276.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,065.82 : 166,616.49 = 36,180.20 : x
  2. Step 2: Convert to fraction form
    111,065.82/166,616.49 = 36,180.20/x
  3. Step 3: Cross multiply
    111,065.82x = 166,616.49 × 36,180.20
  4. Step 4: Simplify right side
    111,065.82x = 6,028,218,483.71
  5. Step 5: Solve for x
    x = 6,028,218,483.71/111,065.82
  6. Step 6: Final answer
    x = 54,276.09

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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.