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Finding the Fourth Proportional to 223,882.80, 336,007.80 and 222,133.20

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Solution

The fourth proportional to 223,882.80, 336,007.80 and 222,133.20 is: 333,381.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,882.80 : 336,007.80 = 222,133.20 : x
  2. Step 2: Convert to fraction form
    223,882.80/336,007.80 = 222,133.20/x
  3. Step 3: Cross multiply
    223,882.80x = 336,007.80 × 222,133.20
  4. Step 4: Simplify right side
    223,882.80x = 74,638,487,838.96
  5. Step 5: Solve for x
    x = 74,638,487,838.96/223,882.80
  6. Step 6: Final answer
    x = 333,381.97

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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.