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Finding the Fourth Proportional to 202,295.39, 303,443.15 and 69,176.88

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Solution

The fourth proportional to 202,295.39, 303,443.15 and 69,176.88 is: 103,765.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,295.39 : 303,443.15 = 69,176.88 : x
  2. Step 2: Convert to fraction form
    202,295.39/303,443.15 = 69,176.88/x
  3. Step 3: Cross multiply
    202,295.39x = 303,443.15 × 69,176.88
  4. Step 4: Simplify right side
    202,295.39x = 20,991,250,028.49
  5. Step 5: Solve for x
    x = 20,991,250,028.49/202,295.39
  6. Step 6: Final answer
    x = 103,765.34

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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.