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Finding the Fourth Proportional to 220,650.84, 331,028.22 and 62,881.56

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Solution

The fourth proportional to 220,650.84, 331,028.22 and 62,881.56 is: 94,337.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,650.84 : 331,028.22 = 62,881.56 : x
  2. Step 2: Convert to fraction form
    220,650.84/331,028.22 = 62,881.56/x
  3. Step 3: Cross multiply
    220,650.84x = 331,028.22 × 62,881.56
  4. Step 4: Simplify right side
    220,650.84x = 20,815,570,877.62
  5. Step 5: Solve for x
    x = 20,815,570,877.62/220,650.84
  6. Step 6: Final answer
    x = 94,337.15

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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.