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Finding the Fourth Proportional to 221,073.96, 331,610.94 and 63,303.06

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Solution

The fourth proportional to 221,073.96, 331,610.94 and 63,303.06 is: 94,954.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,073.96 : 331,610.94 = 63,303.06 : x
  2. Step 2: Convert to fraction form
    221,073.96/331,610.94 = 63,303.06/x
  3. Step 3: Cross multiply
    221,073.96x = 331,610.94 × 63,303.06
  4. Step 4: Simplify right side
    221,073.96x = 20,991,987,231.48
  5. Step 5: Solve for x
    x = 20,991,987,231.48/221,073.96
  6. Step 6: Final answer
    x = 94,954.59

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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.