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Finding the Fourth Proportional to 111,791.01, 167,637.31 and 59,188.19

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Solution

The fourth proportional to 111,791.01, 167,637.31 and 59,188.19 is: 88,756.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,791.01 : 167,637.31 = 59,188.19 : x
  2. Step 2: Convert to fraction form
    111,791.01/167,637.31 = 59,188.19/x
  3. Step 3: Cross multiply
    111,791.01x = 167,637.31 × 59,188.19
  4. Step 4: Simplify right side
    111,791.01x = 9,922,149,226.49
  5. Step 5: Solve for x
    x = 9,922,149,226.49/111,791.01
  6. Step 6: Final answer
    x = 88,756.24

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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.