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Finding the Fourth Proportional to 111,882.69, 167,799.69 and 36,985.14

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Solution

The fourth proportional to 111,882.69, 167,799.69 and 36,985.14 is: 55,469.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,882.69 : 167,799.69 = 36,985.14 : x
  2. Step 2: Convert to fraction form
    111,882.69/167,799.69 = 36,985.14/x
  3. Step 3: Cross multiply
    111,882.69x = 167,799.69 × 36,985.14
  4. Step 4: Simplify right side
    111,882.69x = 6,206,095,026.61
  5. Step 5: Solve for x
    x = 6,206,095,026.61/111,882.69
  6. Step 6: Final answer
    x = 55,469.66

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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.