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Finding the Fourth Proportional to 70,220.82, 105,331.20 and 23,473.68

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Solution

The fourth proportional to 70,220.82, 105,331.20 and 23,473.68 is: 35,210.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,220.82 : 105,331.20 = 23,473.68 : x
  2. Step 2: Convert to fraction form
    70,220.82/105,331.20 = 23,473.68/x
  3. Step 3: Cross multiply
    70,220.82x = 105,331.20 × 23,473.68
  4. Step 4: Simplify right side
    70,220.82x = 2,472,510,882.82
  5. Step 5: Solve for x
    x = 2,472,510,882.82/70,220.82
  6. Step 6: Final answer
    x = 35,210.51

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Similar ratio
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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.