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Finding the Fourth Proportional to 222,515.47, 333,805.02 and 68,654.50

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Solution

The fourth proportional to 222,515.47, 333,805.02 and 68,654.50 is: 102,991.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,515.47 : 333,805.02 = 68,654.50 : x
  2. Step 2: Convert to fraction form
    222,515.47/333,805.02 = 68,654.50/x
  3. Step 3: Cross multiply
    222,515.47x = 333,805.02 × 68,654.50
  4. Step 4: Simplify right side
    222,515.47x = 22,917,215,653.62
  5. Step 5: Solve for x
    x = 22,917,215,653.62/222,515.47
  6. Step 6: Final answer
    x = 102,991.56

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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.