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Finding the Fourth Proportional to 202,610.70, 303,515.10 and 177,678.90

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Solution

The fourth proportional to 202,610.70, 303,515.10 and 177,678.90 is: 266,166.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,610.70 : 303,515.10 = 177,678.90 : x
  2. Step 2: Convert to fraction form
    202,610.70/303,515.10 = 177,678.90/x
  3. Step 3: Cross multiply
    202,610.70x = 303,515.10 × 177,678.90
  4. Step 4: Simplify right side
    202,610.70x = 53,928,229,101.39
  5. Step 5: Solve for x
    x = 53,928,229,101.39/202,610.70
  6. Step 6: Final answer
    x = 266,166.74

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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.