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Finding the Fourth Proportional to 202,216.88, 303,325.42 and 69,098.44

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Solution

The fourth proportional to 202,216.88, 303,325.42 and 69,098.44 is: 103,647.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,216.88 : 303,325.42 = 69,098.44 : x
  2. Step 2: Convert to fraction form
    202,216.88/303,325.42 = 69,098.44/x
  3. Step 3: Cross multiply
    202,216.88x = 303,325.42 × 69,098.44
  4. Step 4: Simplify right side
    202,216.88x = 20,959,313,334.34
  5. Step 5: Solve for x
    x = 20,959,313,334.34/202,216.88
  6. Step 6: Final answer
    x = 103,647.69

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1.5x scale

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.