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Finding the Fourth Proportional to 222,786.45, 334,231.52 and 73,017.45

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Solution

The fourth proportional to 222,786.45, 334,231.52 and 73,017.45 is: 109,543.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,786.45 : 334,231.52 = 73,017.45 : x
  2. Step 2: Convert to fraction form
    222,786.45/334,231.52 = 73,017.45/x
  3. Step 3: Cross multiply
    222,786.45x = 334,231.52 × 73,017.45
  4. Step 4: Simplify right side
    222,786.45x = 24,404,732,934.94
  5. Step 5: Solve for x
    x = 24,404,732,934.94/222,786.45
  6. Step 6: Final answer
    x = 109,543.17

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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.