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Finding the Fourth Proportional to 221,955.48, 332,942.94 and 64,199.88

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Solution

The fourth proportional to 221,955.48, 332,942.94 and 64,199.88 is: 96,302.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,955.48 : 332,942.94 = 64,199.88 : x
  2. Step 2: Convert to fraction form
    221,955.48/332,942.94 = 64,199.88/x
  3. Step 3: Cross multiply
    221,955.48x = 332,942.94 × 64,199.88
  4. Step 4: Simplify right side
    221,955.48x = 21,374,896,794.85
  5. Step 5: Solve for x
    x = 21,374,896,794.85/221,955.48
  6. Step 6: Final answer
    x = 96,302.63

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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.