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Finding the Fourth Proportional to 202,246.80, 303,281.64 and 69,091.44

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Solution

The fourth proportional to 202,246.80, 303,281.64 and 69,091.44 is: 103,606.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,246.80 : 303,281.64 = 69,091.44 : x
  2. Step 2: Convert to fraction form
    202,246.80/303,281.64 = 69,091.44/x
  3. Step 3: Cross multiply
    202,246.80x = 303,281.64 × 69,091.44
  4. Step 4: Simplify right side
    202,246.80x = 20,954,165,233.16
  5. Step 5: Solve for x
    x = 20,954,165,233.16/202,246.80
  6. Step 6: Final answer
    x = 103,606.91

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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.