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Finding the Fourth Proportional to 202,310.10, 303,465.15 and 70,982.10

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Solution

The fourth proportional to 202,310.10, 303,465.15 and 70,982.10 is: 106,473.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,310.10 : 303,465.15 = 70,982.10 : x
  2. Step 2: Convert to fraction form
    202,310.10/303,465.15 = 70,982.10/x
  3. Step 3: Cross multiply
    202,310.10x = 303,465.15 × 70,982.10
  4. Step 4: Simplify right side
    202,310.10x = 21,540,593,623.82
  5. Step 5: Solve for x
    x = 21,540,593,623.82/202,310.10
  6. Step 6: Final answer
    x = 106,473.15

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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.