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Finding the Fourth Proportional to 202,358.72, 303,583.20 and 62,131.52

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Solution

The fourth proportional to 202,358.72, 303,583.20 and 62,131.52 is: 93,211.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,358.72 : 303,583.20 = 62,131.52 : x
  2. Step 2: Convert to fraction form
    202,358.72/303,583.20 = 62,131.52/x
  3. Step 3: Cross multiply
    202,358.72x = 303,583.20 × 62,131.52
  4. Step 4: Simplify right side
    202,358.72x = 18,862,085,662.46
  5. Step 5: Solve for x
    x = 18,862,085,662.46/202,358.72
  6. Step 6: Final answer
    x = 93,211.13

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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.