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Finding the Fourth Proportional to 202,168.20, 303,252.30 and 52,407.30

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Solution

The fourth proportional to 202,168.20, 303,252.30 and 52,407.30 is: 78,610.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,168.20 : 303,252.30 = 52,407.30 : x
  2. Step 2: Convert to fraction form
    202,168.20/303,252.30 = 52,407.30/x
  3. Step 3: Cross multiply
    202,168.20x = 303,252.30 × 52,407.30
  4. Step 4: Simplify right side
    202,168.20x = 15,892,634,261.79
  5. Step 5: Solve for x
    x = 15,892,634,261.79/202,168.20
  6. Step 6: Final answer
    x = 78,610.95

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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.