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Finding the Fourth Proportional to 202,401.20, 303,601.80 and 97,194.80

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Solution

The fourth proportional to 202,401.20, 303,601.80 and 97,194.80 is: 145,792.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,401.20 : 303,601.80 = 97,194.80 : x
  2. Step 2: Convert to fraction form
    202,401.20/303,601.80 = 97,194.80/x
  3. Step 3: Cross multiply
    202,401.20x = 303,601.80 × 97,194.80
  4. Step 4: Simplify right side
    202,401.20x = 29,508,516,230.64
  5. Step 5: Solve for x
    x = 29,508,516,230.64/202,401.20
  6. Step 6: Final answer
    x = 145,792.20

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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.