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Finding the Fourth Proportional to 111,081.54, 166,622.13 and 27,975.54

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Solution

The fourth proportional to 111,081.54, 166,622.13 and 27,975.54 is: 41,963.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,081.54 : 166,622.13 = 27,975.54 : x
  2. Step 2: Convert to fraction form
    111,081.54/166,622.13 = 27,975.54/x
  3. Step 3: Cross multiply
    111,081.54x = 166,622.13 × 27,975.54
  4. Step 4: Simplify right side
    111,081.54x = 4,661,344,062.70
  5. Step 5: Solve for x
    x = 4,661,344,062.70/111,081.54
  6. Step 6: Final answer
    x = 41,963.26

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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.