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Finding the Fourth Proportional to 202,456.93, 303,421.99 and 82,373.93

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Solution

The fourth proportional to 202,456.93, 303,421.99 and 82,373.93 is: 123,453.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,456.93 : 303,421.99 = 82,373.93 : x
  2. Step 2: Convert to fraction form
    202,456.93/303,421.99 = 82,373.93/x
  3. Step 3: Cross multiply
    202,456.93x = 303,421.99 × 82,373.93
  4. Step 4: Simplify right side
    202,456.93x = 24,994,061,764.72
  5. Step 5: Solve for x
    x = 24,994,061,764.72/202,456.93
  6. Step 6: Final answer
    x = 123,453.72

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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.