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Finding the Fourth Proportional to 202,371.20, 303,556.80 and 62,129.60

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Solution

The fourth proportional to 202,371.20, 303,556.80 and 62,129.60 is: 93,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,371.20 : 303,556.80 = 62,129.60 : x
  2. Step 2: Convert to fraction form
    202,371.20/303,556.80 = 62,129.60/x
  3. Step 3: Cross multiply
    202,371.20x = 303,556.80 × 62,129.60
  4. Step 4: Simplify right side
    202,371.20x = 18,859,862,561.28
  5. Step 5: Solve for x
    x = 18,859,862,561.28/202,371.20
  6. Step 6: Final answer
    x = 93,194.40

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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.