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Finding the Fourth Proportional to 222,136.26, 333,235.98 and 81,883.92

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Solution

The fourth proportional to 222,136.26, 333,235.98 and 81,883.92 is: 122,837.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,136.26 : 333,235.98 = 81,883.92 : x
  2. Step 2: Convert to fraction form
    222,136.26/333,235.98 = 81,883.92/x
  3. Step 3: Cross multiply
    222,136.26x = 333,235.98 × 81,883.92
  4. Step 4: Simplify right side
    222,136.26x = 27,286,668,327.44
  5. Step 5: Solve for x
    x = 27,286,668,327.44/222,136.26
  6. Step 6: Final answer
    x = 122,837.52

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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.