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Finding the Fourth Proportional to 111,843.06, 167,801.49 and 45,339.12

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Solution

The fourth proportional to 111,843.06, 167,801.49 and 45,339.12 is: 68,023.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,843.06 : 167,801.49 = 45,339.12 : x
  2. Step 2: Convert to fraction form
    111,843.06/167,801.49 = 45,339.12/x
  3. Step 3: Cross multiply
    111,843.06x = 167,801.49 × 45,339.12
  4. Step 4: Simplify right side
    111,843.06x = 7,607,971,891.29
  5. Step 5: Solve for x
    x = 7,607,971,891.29/111,843.06
  6. Step 6: Final answer
    x = 68,023.64

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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.