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Finding the Fourth Proportional to 202,295.90, 303,553.20 and 89,993.45

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Solution

The fourth proportional to 202,295.90, 303,553.20 and 89,993.45 is: 135,038.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,295.90 : 303,553.20 = 89,993.45 : x
  2. Step 2: Convert to fraction form
    202,295.90/303,553.20 = 89,993.45/x
  3. Step 3: Cross multiply
    202,295.90x = 303,553.20 × 89,993.45
  4. Step 4: Simplify right side
    202,295.90x = 27,317,799,726.54
  5. Step 5: Solve for x
    x = 27,317,799,726.54/202,295.90
  6. Step 6: Final answer
    x = 135,038.82

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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.