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Finding the Fourth Proportional to 202,209.12, 303,028.56 and 95,479.20

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Solution

The fourth proportional to 202,209.12, 303,028.56 and 95,479.20 is: 143,084.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,209.12 : 303,028.56 = 95,479.20 : x
  2. Step 2: Convert to fraction form
    202,209.12/303,028.56 = 95,479.20/x
  3. Step 3: Cross multiply
    202,209.12x = 303,028.56 × 95,479.20
  4. Step 4: Simplify right side
    202,209.12x = 28,932,924,485.95
  5. Step 5: Solve for x
    x = 28,932,924,485.95/202,209.12
  6. Step 6: Final answer
    x = 143,084.17

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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.