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Finding the Fourth Proportional to 202,439.80, 303,601.65 and 60,279.13

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Solution

The fourth proportional to 202,439.80, 303,601.65 and 60,279.13 is: 90,401.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,439.80 : 303,601.65 = 60,279.13 : x
  2. Step 2: Convert to fraction form
    202,439.80/303,601.65 = 60,279.13/x
  3. Step 3: Cross multiply
    202,439.80x = 303,601.65 × 60,279.13
  4. Step 4: Simplify right side
    202,439.80x = 18,300,843,328.56
  5. Step 5: Solve for x
    x = 18,300,843,328.56/202,439.80
  6. Step 6: Final answer
    x = 90,401.41

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1.5x scale

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.