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Finding the Fourth Proportional to 221,222.96, 331,834.68 and 55,010.96

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Solution

The fourth proportional to 221,222.96, 331,834.68 and 55,010.96 is: 82,516.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,222.96 : 331,834.68 = 55,010.96 : x
  2. Step 2: Convert to fraction form
    221,222.96/331,834.68 = 55,010.96/x
  3. Step 3: Cross multiply
    221,222.96x = 331,834.68 × 55,010.96
  4. Step 4: Simplify right side
    221,222.96x = 18,254,544,308.09
  5. Step 5: Solve for x
    x = 18,254,544,308.09/221,222.96
  6. Step 6: Final answer
    x = 82,516.50

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1.5x scale

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.