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Finding the Fourth Proportional to 101,282.67, 151,650.62 and 67,930.92

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Solution

The fourth proportional to 101,282.67, 151,650.62 and 67,930.92 is: 101,713.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,282.67 : 151,650.62 = 67,930.92 : x
  2. Step 2: Convert to fraction form
    101,282.67/151,650.62 = 67,930.92/x
  3. Step 3: Cross multiply
    101,282.67x = 151,650.62 × 67,930.92
  4. Step 4: Simplify right side
    101,282.67x = 10,301,766,135.17
  5. Step 5: Solve for x
    x = 10,301,766,135.17/101,282.67
  6. Step 6: Final answer
    x = 101,713.02

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1.5x scale

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.