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Finding the Fourth Proportional to 202,722.80, 303,982.20 and 62,463.20

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Solution

The fourth proportional to 202,722.80, 303,982.20 and 62,463.20 is: 93,663.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,722.80 : 303,982.20 = 62,463.20 : x
  2. Step 2: Convert to fraction form
    202,722.80/303,982.20 = 62,463.20/x
  3. Step 3: Cross multiply
    202,722.80x = 303,982.20 × 62,463.20
  4. Step 4: Simplify right side
    202,722.80x = 18,987,700,955.04
  5. Step 5: Solve for x
    x = 18,987,700,955.04/202,722.80
  6. Step 6: Final answer
    x = 93,663.37

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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.