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Finding the Fourth Proportional to 167,506.33, 231,178.39 and 99,523.86

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Solution

The fourth proportional to 167,506.33, 231,178.39 and 99,523.86 is: 137,354.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,506.33 : 231,178.39 = 99,523.86 : x
  2. Step 2: Convert to fraction form
    167,506.33/231,178.39 = 99,523.86/x
  3. Step 3: Cross multiply
    167,506.33x = 231,178.39 × 99,523.86
  4. Step 4: Simplify right side
    167,506.33x = 23,007,764,605.66
  5. Step 5: Solve for x
    x = 23,007,764,605.66/167,506.33
  6. Step 6: Final answer
    x = 137,354.60

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.