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Finding the Fourth Proportional to 222,155, 333,198.28 and 72,394.92

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Solution

The fourth proportional to 222,155, 333,198.28 and 72,394.92 is: 108,581.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,155 : 333,198.28 = 72,394.92 : x
  2. Step 2: Convert to fraction form
    222,155/333,198.28 = 72,394.92/x
  3. Step 3: Cross multiply
    222,155x = 333,198.28 × 72,394.92
  4. Step 4: Simplify right side
    222,155x = 24,121,862,824.74
  5. Step 5: Solve for x
    x = 24,121,862,824.74/222,155
  6. Step 6: Final answer
    x = 108,581.23

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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.