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Finding the Fourth Proportional to 111,897.25, 167,844.22 and 27,657.42

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Solution

The fourth proportional to 111,897.25, 167,844.22 and 27,657.42 is: 41,485.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,897.25 : 167,844.22 = 27,657.42 : x
  2. Step 2: Convert to fraction form
    111,897.25/167,844.22 = 27,657.42/x
  3. Step 3: Cross multiply
    111,897.25x = 167,844.22 × 27,657.42
  4. Step 4: Simplify right side
    111,897.25x = 4,642,138,087.11
  5. Step 5: Solve for x
    x = 4,642,138,087.11/111,897.25
  6. Step 6: Final answer
    x = 41,485.72

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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.