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Finding the Fourth Proportional to 202,208.90, 303,167.55 and 132,127.70

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Solution

The fourth proportional to 202,208.90, 303,167.55 and 132,127.70 is: 198,096.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,208.90 : 303,167.55 = 132,127.70 : x
  2. Step 2: Convert to fraction form
    202,208.90/303,167.55 = 132,127.70/x
  3. Step 3: Cross multiply
    202,208.90x = 303,167.55 × 132,127.70
  4. Step 4: Simplify right side
    202,208.90x = 40,056,831,096.14
  5. Step 5: Solve for x
    x = 40,056,831,096.14/202,208.90
  6. Step 6: Final answer
    x = 198,096.28

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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.