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Finding the Fourth Proportional to 202,185.70, 303,606.60 and 113,612.20

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Solution

The fourth proportional to 202,185.70, 303,606.60 and 113,612.20 is: 170,602.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,185.70 : 303,606.60 = 113,612.20 : x
  2. Step 2: Convert to fraction form
    202,185.70/303,606.60 = 113,612.20/x
  3. Step 3: Cross multiply
    202,185.70x = 303,606.60 × 113,612.20
  4. Step 4: Simplify right side
    202,185.70x = 34,493,413,760.52
  5. Step 5: Solve for x
    x = 34,493,413,760.52/202,185.70
  6. Step 6: Final answer
    x = 170,602.64

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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.