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Finding the Fourth Proportional to 220,861.76, 331,192.80 and 63,052.64

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Solution

The fourth proportional to 220,861.76, 331,192.80 and 63,052.64 is: 94,550.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,861.76 : 331,192.80 = 63,052.64 : x
  2. Step 2: Convert to fraction form
    220,861.76/331,192.80 = 63,052.64/x
  3. Step 3: Cross multiply
    220,861.76x = 331,192.80 × 63,052.64
  4. Step 4: Simplify right side
    220,861.76x = 20,882,580,388.99
  5. Step 5: Solve for x
    x = 20,882,580,388.99/220,861.76
  6. Step 6: Final answer
    x = 94,550.46

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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.