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Finding the Fourth Proportional to 220,067.46, 303,694.65 and 119,465.46

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Solution

The fourth proportional to 220,067.46, 303,694.65 and 119,465.46 is: 164,863.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,067.46 : 303,694.65 = 119,465.46 : x
  2. Step 2: Convert to fraction form
    220,067.46/303,694.65 = 119,465.46/x
  3. Step 3: Cross multiply
    220,067.46x = 303,694.65 × 119,465.46
  4. Step 4: Simplify right side
    220,067.46x = 36,281,021,061.79
  5. Step 5: Solve for x
    x = 36,281,021,061.79/220,067.46
  6. Step 6: Final answer
    x = 164,863.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.