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Finding the Fourth Proportional to 202,216.40, 303,433.95 and 89,913.95

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Solution

The fourth proportional to 202,216.40, 303,433.95 and 89,913.95 is: 134,919.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,216.40 : 303,433.95 = 89,913.95 : x
  2. Step 2: Convert to fraction form
    202,216.40/303,433.95 = 89,913.95/x
  3. Step 3: Cross multiply
    202,216.40x = 303,433.95 × 89,913.95
  4. Step 4: Simplify right side
    202,216.40x = 27,282,945,008.60
  5. Step 5: Solve for x
    x = 27,282,945,008.60/202,216.40
  6. Step 6: Final answer
    x = 134,919.55

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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.