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Finding the Fourth Proportional to 111,542.68, 167,313 and 27,303.20

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Solution

The fourth proportional to 111,542.68, 167,313 and 27,303.20 is: 40,954.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,542.68 : 167,313 = 27,303.20 : x
  2. Step 2: Convert to fraction form
    111,542.68/167,313 = 27,303.20/x
  3. Step 3: Cross multiply
    111,542.68x = 167,313 × 27,303.20
  4. Step 4: Simplify right side
    111,542.68x = 4,568,180,301.60
  5. Step 5: Solve for x
    x = 4,568,180,301.60/111,542.68
  6. Step 6: Final answer
    x = 40,954.55

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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.