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Finding the Fourth Proportional to 202,206.46, 303,310.95 and 89,860.30

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Solution

The fourth proportional to 202,206.46, 303,310.95 and 89,860.30 is: 134,791.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,206.46 : 303,310.95 = 89,860.30 : x
  2. Step 2: Convert to fraction form
    202,206.46/303,310.95 = 89,860.30/x
  3. Step 3: Cross multiply
    202,206.46x = 303,310.95 × 89,860.30
  4. Step 4: Simplify right side
    202,206.46x = 27,255,612,960.29
  5. Step 5: Solve for x
    x = 27,255,612,960.29/202,206.46
  6. Step 6: Final answer
    x = 134,791.01

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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.