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Finding the Fourth Proportional to 202,356.75, 303,534.90 and 60,201.45

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Solution

The fourth proportional to 202,356.75, 303,534.90 and 60,201.45 is: 90,302.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,356.75 : 303,534.90 = 60,201.45 : x
  2. Step 2: Convert to fraction form
    202,356.75/303,534.90 = 60,201.45/x
  3. Step 3: Cross multiply
    202,356.75x = 303,534.90 × 60,201.45
  4. Step 4: Simplify right side
    202,356.75x = 18,273,241,105.61
  5. Step 5: Solve for x
    x = 18,273,241,105.61/202,356.75
  6. Step 6: Final answer
    x = 90,302.11

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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.