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Finding the Fourth Proportional to 221,703.80, 332,604.84 and 63,919.94

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Solution

The fourth proportional to 221,703.80, 332,604.84 and 63,919.94 is: 95,894.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,703.80 : 332,604.84 = 63,919.94 : x
  2. Step 2: Convert to fraction form
    221,703.80/332,604.84 = 63,919.94/x
  3. Step 3: Cross multiply
    221,703.80x = 332,604.84 × 63,919.94
  4. Step 4: Simplify right side
    221,703.80x = 21,260,081,416.51
  5. Step 5: Solve for x
    x = 21,260,081,416.51/221,703.80
  6. Step 6: Final answer
    x = 95,894.08

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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.