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Finding the Fourth Proportional to 202,204.30, 303,306.45 and 69,064.60

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Solution

The fourth proportional to 202,204.30, 303,306.45 and 69,064.60 is: 103,596.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,204.30 : 303,306.45 = 69,064.60 : x
  2. Step 2: Convert to fraction form
    202,204.30/303,306.45 = 69,064.60/x
  3. Step 3: Cross multiply
    202,204.30x = 303,306.45 × 69,064.60
  4. Step 4: Simplify right side
    202,204.30x = 20,947,738,646.67
  5. Step 5: Solve for x
    x = 20,947,738,646.67/202,204.30
  6. Step 6: Final answer
    x = 103,596.90

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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.