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Finding the Fourth Proportional to 221,605.02, 332,408.70 and 63,837.24

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Solution

The fourth proportional to 221,605.02, 332,408.70 and 63,837.24 is: 95,756.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,605.02 : 332,408.70 = 63,837.24 : x
  2. Step 2: Convert to fraction form
    221,605.02/332,408.70 = 63,837.24/x
  3. Step 3: Cross multiply
    221,605.02x = 332,408.70 × 63,837.24
  4. Step 4: Simplify right side
    221,605.02x = 21,220,053,959.99
  5. Step 5: Solve for x
    x = 21,220,053,959.99/221,605.02
  6. Step 6: Final answer
    x = 95,756.20

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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.