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Finding the Fourth Proportional to 221,485.70, 332,216.94 and 63,707.96

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Solution

The fourth proportional to 221,485.70, 332,216.94 and 63,707.96 is: 95,558.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,485.70 : 332,216.94 = 63,707.96 : x
  2. Step 2: Convert to fraction form
    221,485.70/332,216.94 = 63,707.96/x
  3. Step 3: Cross multiply
    221,485.70x = 332,216.94 × 63,707.96
  4. Step 4: Simplify right side
    221,485.70x = 21,164,863,524.84
  5. Step 5: Solve for x
    x = 21,164,863,524.84/221,485.70
  6. Step 6: Final answer
    x = 95,558.60

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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.