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Finding the Fourth Proportional to 202,233.40, 303,459.45 and 89,930.95

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Solution

The fourth proportional to 202,233.40, 303,459.45 and 89,930.95 is: 134,945.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,233.40 : 303,459.45 = 89,930.95 : x
  2. Step 2: Convert to fraction form
    202,233.40/303,459.45 = 89,930.95/x
  3. Step 3: Cross multiply
    202,233.40x = 303,459.45 × 89,930.95
  4. Step 4: Simplify right side
    202,233.40x = 27,290,396,624.98
  5. Step 5: Solve for x
    x = 27,290,396,624.98/202,233.40
  6. Step 6: Final answer
    x = 134,945.05

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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.