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Finding the Fourth Proportional to 100,683, 150,930.12 and 34,076.52

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Solution

The fourth proportional to 100,683, 150,930.12 and 34,076.52 is: 51,082.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,683 : 150,930.12 = 34,076.52 : x
  2. Step 2: Convert to fraction form
    100,683/150,930.12 = 34,076.52/x
  3. Step 3: Cross multiply
    100,683x = 150,930.12 × 34,076.52
  4. Step 4: Simplify right side
    100,683x = 5,143,173,252.78
  5. Step 5: Solve for x
    x = 5,143,173,252.78/100,683
  6. Step 6: Final answer
    x = 51,082.84

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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.