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Finding the Fourth Proportional to 202,191.70, 303,615.60 and 113,618.20

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Solution

The fourth proportional to 202,191.70, 303,615.60 and 113,618.20 is: 170,611.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,191.70 : 303,615.60 = 113,618.20 : x
  2. Step 2: Convert to fraction form
    202,191.70/303,615.60 = 113,618.20/x
  3. Step 3: Cross multiply
    202,191.70x = 303,615.60 × 113,618.20
  4. Step 4: Simplify right side
    202,191.70x = 34,496,257,963.92
  5. Step 5: Solve for x
    x = 34,496,257,963.92/202,191.70
  6. Step 6: Final answer
    x = 170,611.64

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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.