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Finding the Fourth Proportional to 221,850.36, 332,690.49 and 174,558.51

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Solution

The fourth proportional to 221,850.36, 332,690.49 and 174,558.51 is: 261,770.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,850.36 : 332,690.49 = 174,558.51 : x
  2. Step 2: Convert to fraction form
    221,850.36/332,690.49 = 174,558.51/x
  3. Step 3: Cross multiply
    221,850.36x = 332,690.49 × 174,558.51
  4. Step 4: Simplify right side
    221,850.36x = 58,073,956,225.57
  5. Step 5: Solve for x
    x = 58,073,956,225.57/221,850.36
  6. Step 6: Final answer
    x = 261,770.85

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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.