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Finding the Fourth Proportional to 223,606.59, 335,483.73 and 90,414.21

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Solution

The fourth proportional to 223,606.59, 335,483.73 and 90,414.21 is: 135,651.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,606.59 : 335,483.73 = 90,414.21 : x
  2. Step 2: Convert to fraction form
    223,606.59/335,483.73 = 90,414.21/x
  3. Step 3: Cross multiply
    223,606.59x = 335,483.73 × 90,414.21
  4. Step 4: Simplify right side
    223,606.59x = 30,332,496,415.80
  5. Step 5: Solve for x
    x = 30,332,496,415.80/223,606.59
  6. Step 6: Final answer
    x = 135,651.17

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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.