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Finding the Fourth Proportional to 222,668.72, 333,965.84 and 80,487.07

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Solution

The fourth proportional to 222,668.72, 333,965.84 and 80,487.07 is: 120,717.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,668.72 : 333,965.84 = 80,487.07 : x
  2. Step 2: Convert to fraction form
    222,668.72/333,965.84 = 80,487.07/x
  3. Step 3: Cross multiply
    222,668.72x = 333,965.84 × 80,487.07
  4. Step 4: Simplify right side
    222,668.72x = 26,879,930,704.34
  5. Step 5: Solve for x
    x = 26,879,930,704.34/222,668.72
  6. Step 6: Final answer
    x = 120,717.14

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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.