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Finding the Fourth Proportional to 221,903.96, 332,617.19 and 95,603.69

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Solution

The fourth proportional to 221,903.96, 332,617.19 and 95,603.69 is: 143,302.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,903.96 : 332,617.19 = 95,603.69 : x
  2. Step 2: Convert to fraction form
    221,903.96/332,617.19 = 95,603.69/x
  3. Step 3: Cross multiply
    221,903.96x = 332,617.19 × 95,603.69
  4. Step 4: Simplify right side
    221,903.96x = 31,799,431,074.96
  5. Step 5: Solve for x
    x = 31,799,431,074.96/221,903.96
  6. Step 6: Final answer
    x = 143,302.68

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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.