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Finding the Fourth Proportional to 202,548.60, 303,822.90 and 132,046.20

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Solution

The fourth proportional to 202,548.60, 303,822.90 and 132,046.20 is: 198,069.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,548.60 : 303,822.90 = 132,046.20 : x
  2. Step 2: Convert to fraction form
    202,548.60/303,822.90 = 132,046.20/x
  3. Step 3: Cross multiply
    202,548.60x = 303,822.90 × 132,046.20
  4. Step 4: Simplify right side
    202,548.60x = 40,118,659,417.98
  5. Step 5: Solve for x
    x = 40,118,659,417.98/202,548.60
  6. Step 6: Final answer
    x = 198,069.30

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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.