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Finding the Fourth Proportional to 111,242.80, 166,862.73 and 27,003.63

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Solution

The fourth proportional to 111,242.80, 166,862.73 and 27,003.63 is: 40,505.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,242.80 : 166,862.73 = 27,003.63 : x
  2. Step 2: Convert to fraction form
    111,242.80/166,862.73 = 27,003.63/x
  3. Step 3: Cross multiply
    111,242.80x = 166,862.73 × 27,003.63
  4. Step 4: Simplify right side
    111,242.80x = 4,505,899,421.71
  5. Step 5: Solve for x
    x = 4,505,899,421.71/111,242.80
  6. Step 6: Final answer
    x = 40,505.09

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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.