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Finding the Fourth Proportional to 202,532.40, 303,944.40 and 113,691.60

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Solution

The fourth proportional to 202,532.40, 303,944.40 and 113,691.60 is: 170,619.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,532.40 : 303,944.40 = 113,691.60 : x
  2. Step 2: Convert to fraction form
    202,532.40/303,944.40 = 113,691.60/x
  3. Step 3: Cross multiply
    202,532.40x = 303,944.40 × 113,691.60
  4. Step 4: Simplify right side
    202,532.40x = 34,555,925,147.04
  5. Step 5: Solve for x
    x = 34,555,925,147.04/202,532.40
  6. Step 6: Final answer
    x = 170,619.24

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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.