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Finding the Fourth Proportional to 202,269.28, 303,404.16 and 69,150.88

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Solution

The fourth proportional to 202,269.28, 303,404.16 and 69,150.88 is: 103,726.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,269.28 : 303,404.16 = 69,150.88 : x
  2. Step 2: Convert to fraction form
    202,269.28/303,404.16 = 69,150.88/x
  3. Step 3: Cross multiply
    202,269.28x = 303,404.16 × 69,150.88
  4. Step 4: Simplify right side
    202,269.28x = 20,980,664,659.66
  5. Step 5: Solve for x
    x = 20,980,664,659.66/202,269.28
  6. Step 6: Final answer
    x = 103,726.40

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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.