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Finding the Fourth Proportional to 221,797.01, 332,790.84 and 72,083.19

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Solution

The fourth proportional to 221,797.01, 332,790.84 and 72,083.19 is: 108,155.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,797.01 : 332,790.84 = 72,083.19 : x
  2. Step 2: Convert to fraction form
    221,797.01/332,790.84 = 72,083.19/x
  3. Step 3: Cross multiply
    221,797.01x = 332,790.84 × 72,083.19
  4. Step 4: Simplify right side
    221,797.01x = 23,988,625,349.98
  5. Step 5: Solve for x
    x = 23,988,625,349.98/221,797.01
  6. Step 6: Final answer
    x = 108,155.77

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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.