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Finding the Fourth Proportional to 202,225.15, 303,337.73 and 69,073.30

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Solution

The fourth proportional to 202,225.15, 303,337.73 and 69,073.30 is: 103,609.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,225.15 : 303,337.73 = 69,073.30 : x
  2. Step 2: Convert to fraction form
    202,225.15/303,337.73 = 69,073.30/x
  3. Step 3: Cross multiply
    202,225.15x = 303,337.73 × 69,073.30
  4. Step 4: Simplify right side
    202,225.15x = 20,952,538,025.61
  5. Step 5: Solve for x
    x = 20,952,538,025.61/202,225.15
  6. Step 6: Final answer
    x = 103,609.95

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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.