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Finding the Fourth Proportional to 221,394.84, 332,093.52 and 55,182.84

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Solution

The fourth proportional to 221,394.84, 332,093.52 and 55,182.84 is: 82,774.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,394.84 : 332,093.52 = 55,182.84 : x
  2. Step 2: Convert to fraction form
    221,394.84/332,093.52 = 55,182.84/x
  3. Step 3: Cross multiply
    221,394.84x = 332,093.52 × 55,182.84
  4. Step 4: Simplify right side
    221,394.84x = 18,325,863,579.20
  5. Step 5: Solve for x
    x = 18,325,863,579.20/221,394.84
  6. Step 6: Final answer
    x = 82,774.57

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1.5x scale

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.