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Finding the Fourth Proportional to 221,383.68, 332,252.48 and 114,797.92

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Solution

The fourth proportional to 221,383.68, 332,252.48 and 114,797.92 is: 172,288.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,383.68 : 332,252.48 = 114,797.92 : x
  2. Step 2: Convert to fraction form
    221,383.68/332,252.48 = 114,797.92/x
  3. Step 3: Cross multiply
    221,383.68x = 332,252.48 × 114,797.92
  4. Step 4: Simplify right side
    221,383.68x = 38,141,893,618.84
  5. Step 5: Solve for x
    x = 38,141,893,618.84/221,383.68
  6. Step 6: Final answer
    x = 172,288.64

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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.