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Finding the Fourth Proportional to 202,319.52, 303,665.68 and 102,550.48

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Solution

The fourth proportional to 202,319.52, 303,665.68 and 102,550.48 is: 153,920.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,319.52 : 303,665.68 = 102,550.48 : x
  2. Step 2: Convert to fraction form
    202,319.52/303,665.68 = 102,550.48/x
  3. Step 3: Cross multiply
    202,319.52x = 303,665.68 × 102,550.48
  4. Step 4: Simplify right side
    202,319.52x = 31,141,061,243.53
  5. Step 5: Solve for x
    x = 31,141,061,243.53/202,319.52
  6. Step 6: Final answer
    x = 153,920.20

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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.