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Finding the Fourth Proportional to 91,832, 137,771.12 and 26,168

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Solution

The fourth proportional to 91,832, 137,771.12 and 26,168 is: 39,258.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,832 : 137,771.12 = 26,168 : x
  2. Step 2: Convert to fraction form
    91,832/137,771.12 = 26,168/x
  3. Step 3: Cross multiply
    91,832x = 137,771.12 × 26,168
  4. Step 4: Simplify right side
    91,832x = 3,605,194,668.16
  5. Step 5: Solve for x
    x = 3,605,194,668.16/91,832
  6. Step 6: Final answer
    x = 39,258.59

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.