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Finding the Fourth Proportional to 221,538.24, 332,280.72 and 61,626.24

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Solution

The fourth proportional to 221,538.24, 332,280.72 and 61,626.24 is: 92,431.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,538.24 : 332,280.72 = 61,626.24 : x
  2. Step 2: Convert to fraction form
    221,538.24/332,280.72 = 61,626.24/x
  3. Step 3: Cross multiply
    221,538.24x = 332,280.72 × 61,626.24
  4. Step 4: Simplify right side
    221,538.24x = 20,477,211,398.09
  5. Step 5: Solve for x
    x = 20,477,211,398.09/221,538.24
  6. Step 6: Final answer
    x = 92,431.95

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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.