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Finding the Fourth Proportional to 202,423.60, 303,489.60 and 113,704.30

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Solution

The fourth proportional to 202,423.60, 303,489.60 and 113,704.30 is: 170,474.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,423.60 : 303,489.60 = 113,704.30 : x
  2. Step 2: Convert to fraction form
    202,423.60/303,489.60 = 113,704.30/x
  3. Step 3: Cross multiply
    202,423.60x = 303,489.60 × 113,704.30
  4. Step 4: Simplify right side
    202,423.60x = 34,508,072,525.28
  5. Step 5: Solve for x
    x = 34,508,072,525.28/202,423.60
  6. Step 6: Final answer
    x = 170,474.55

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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.