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Finding the Fourth Proportional to 202,262.10, 303,101.55 and 89,850.30

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Solution

The fourth proportional to 202,262.10, 303,101.55 and 89,850.30 is: 134,645.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,262.10 : 303,101.55 = 89,850.30 : x
  2. Step 2: Convert to fraction form
    202,262.10/303,101.55 = 89,850.30/x
  3. Step 3: Cross multiply
    202,262.10x = 303,101.55 × 89,850.30
  4. Step 4: Simplify right side
    202,262.10x = 27,233,765,197.97
  5. Step 5: Solve for x
    x = 27,233,765,197.97/202,262.10
  6. Step 6: Final answer
    x = 134,645.91

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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.