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Finding the Fourth Proportional to 111,897.38, 167,844.41 and 27,657.55

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Solution

The fourth proportional to 111,897.38, 167,844.41 and 27,657.55 is: 41,485.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,897.38 : 167,844.41 = 27,657.55 : x
  2. Step 2: Convert to fraction form
    111,897.38/167,844.41 = 27,657.55/x
  3. Step 3: Cross multiply
    111,897.38x = 167,844.41 × 27,657.55
  4. Step 4: Simplify right side
    111,897.38x = 4,642,164,603.90
  5. Step 5: Solve for x
    x = 4,642,164,603.90/111,897.38
  6. Step 6: Final answer
    x = 41,485.91

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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.