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Finding the Fourth Proportional to 222,644.97, 333,179.10 and 138,444.79

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Solution

The fourth proportional to 222,644.97, 333,179.10 and 138,444.79 is: 207,176.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,644.97 : 333,179.10 = 138,444.79 : x
  2. Step 2: Convert to fraction form
    222,644.97/333,179.10 = 138,444.79/x
  3. Step 3: Cross multiply
    222,644.97x = 333,179.10 × 138,444.79
  4. Step 4: Simplify right side
    222,644.97x = 46,126,910,531.89
  5. Step 5: Solve for x
    x = 46,126,910,531.89/222,644.97
  6. Step 6: Final answer
    x = 207,176.97

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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.