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Finding the Fourth Proportional to 202,314.10, 303,471.15 and 70,986.10

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Solution

The fourth proportional to 202,314.10, 303,471.15 and 70,986.10 is: 106,479.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,314.10 : 303,471.15 = 70,986.10 : x
  2. Step 2: Convert to fraction form
    202,314.10/303,471.15 = 70,986.10/x
  3. Step 3: Cross multiply
    202,314.10x = 303,471.15 × 70,986.10
  4. Step 4: Simplify right side
    202,314.10x = 21,542,233,401.02
  5. Step 5: Solve for x
    x = 21,542,233,401.02/202,314.10
  6. Step 6: Final answer
    x = 106,479.15

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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.