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Finding the Fourth Proportional to 111,604.88, 167,403.80 and 27,365.28

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Solution

The fourth proportional to 111,604.88, 167,403.80 and 27,365.28 is: 41,047.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,604.88 : 167,403.80 = 27,365.28 : x
  2. Step 2: Convert to fraction form
    111,604.88/167,403.80 = 27,365.28/x
  3. Step 3: Cross multiply
    111,604.88x = 167,403.80 × 27,365.28
  4. Step 4: Simplify right side
    111,604.88x = 4,581,051,860.06
  5. Step 5: Solve for x
    x = 4,581,051,860.06/111,604.88
  6. Step 6: Final answer
    x = 41,047.06

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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.