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Finding the Fourth Proportional to 67,194.32, 100,807.07 and 22,821.12

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Solution

The fourth proportional to 67,194.32, 100,807.07 and 22,821.12 is: 34,236.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,194.32 : 100,807.07 = 22,821.12 : x
  2. Step 2: Convert to fraction form
    67,194.32/100,807.07 = 22,821.12/x
  3. Step 3: Cross multiply
    67,194.32x = 100,807.07 × 22,821.12
  4. Step 4: Simplify right side
    67,194.32x = 2,300,530,127.21
  5. Step 5: Solve for x
    x = 2,300,530,127.21/67,194.32
  6. Step 6: Final answer
    x = 34,236.98

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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.