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Finding the Fourth Proportional to 192,626, 288,867.14 and 66,230.45

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Solution

The fourth proportional to 192,626, 288,867.14 and 66,230.45 is: 99,320.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,626 : 288,867.14 = 66,230.45 : x
  2. Step 2: Convert to fraction form
    192,626/288,867.14 = 66,230.45/x
  3. Step 3: Cross multiply
    192,626x = 288,867.14 × 66,230.45
  4. Step 4: Simplify right side
    192,626x = 19,131,800,672.41
  5. Step 5: Solve for x
    x = 19,131,800,672.41/192,626
  6. Step 6: Final answer
    x = 99,320.97

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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.