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Finding the Fourth Proportional to 109,684.29, 151,367.10 and 67,266.21

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Solution

The fourth proportional to 109,684.29, 151,367.10 and 67,266.21 is: 92,829.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,684.29 : 151,367.10 = 67,266.21 : x
  2. Step 2: Convert to fraction form
    109,684.29/151,367.10 = 67,266.21/x
  3. Step 3: Cross multiply
    109,684.29x = 151,367.10 × 67,266.21
  4. Step 4: Simplify right side
    109,684.29x = 10,181,891,135.69
  5. Step 5: Solve for x
    x = 10,181,891,135.69/109,684.29
  6. Step 6: Final answer
    x = 92,829.07

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1.5x scale

Why These Related Problems?

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