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Finding the Fourth Proportional to 202,290.21, 303,386.11 and 95,669.86

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Solution

The fourth proportional to 202,290.21, 303,386.11 and 95,669.86 is: 143,481.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,290.21 : 303,386.11 = 95,669.86 : x
  2. Step 2: Convert to fraction form
    202,290.21/303,386.11 = 95,669.86/x
  3. Step 3: Cross multiply
    202,290.21x = 303,386.11 × 95,669.86
  4. Step 4: Simplify right side
    202,290.21x = 29,024,906,240.85
  5. Step 5: Solve for x
    x = 29,024,906,240.85/202,290.21
  6. Step 6: Final answer
    x = 143,481.52

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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.