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Finding the Fourth Proportional to 221,709.57, 332,561.91 and 63,932.91

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Solution

The fourth proportional to 221,709.57, 332,561.91 and 63,932.91 is: 95,898.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,709.57 : 332,561.91 = 63,932.91 : x
  2. Step 2: Convert to fraction form
    221,709.57/332,561.91 = 63,932.91/x
  3. Step 3: Cross multiply
    221,709.57x = 332,561.91 × 63,932.91
  4. Step 4: Simplify right side
    221,709.57x = 21,261,650,661.46
  5. Step 5: Solve for x
    x = 21,261,650,661.46/221,709.57
  6. Step 6: Final answer
    x = 95,898.66

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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.