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Finding the Fourth Proportional to 202,350.80, 303,871.80 and 132,539.60

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Solution

The fourth proportional to 202,350.80, 303,871.80 and 132,539.60 is: 199,035.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,350.80 : 303,871.80 = 132,539.60 : x
  2. Step 2: Convert to fraction form
    202,350.80/303,871.80 = 132,539.60/x
  3. Step 3: Cross multiply
    202,350.80x = 303,871.80 × 132,539.60
  4. Step 4: Simplify right side
    202,350.80x = 40,275,046,823.28
  5. Step 5: Solve for x
    x = 40,275,046,823.28/202,350.80
  6. Step 6: Final answer
    x = 199,035.77

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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.