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Finding the Fourth Proportional to 217,311.68, 325,974.36 and 67,552.76

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Solution

The fourth proportional to 217,311.68, 325,974.36 and 67,552.76 is: 101,331.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,311.68 : 325,974.36 = 67,552.76 : x
  2. Step 2: Convert to fraction form
    217,311.68/325,974.36 = 67,552.76/x
  3. Step 3: Cross multiply
    217,311.68x = 325,974.36 × 67,552.76
  4. Step 4: Simplify right side
    217,311.68x = 22,020,467,707.23
  5. Step 5: Solve for x
    x = 22,020,467,707.23/217,311.68
  6. Step 6: Final answer
    x = 101,331.27

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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.