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Finding the Fourth Proportional to 202,215.46, 303,324.45 and 89,869.30

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Solution

The fourth proportional to 202,215.46, 303,324.45 and 89,869.30 is: 134,804.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,215.46 : 303,324.45 = 89,869.30 : x
  2. Step 2: Convert to fraction form
    202,215.46/303,324.45 = 89,869.30/x
  3. Step 3: Cross multiply
    202,215.46x = 303,324.45 × 89,869.30
  4. Step 4: Simplify right side
    202,215.46x = 27,259,555,994.39
  5. Step 5: Solve for x
    x = 27,259,555,994.39/202,215.46
  6. Step 6: Final answer
    x = 134,804.51

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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.