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Finding the Fourth Proportional to 202,846.40, 304,240.80 and 69,732.80

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Solution

The fourth proportional to 202,846.40, 304,240.80 and 69,732.80 is: 104,589.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,846.40 : 304,240.80 = 69,732.80 : x
  2. Step 2: Convert to fraction form
    202,846.40/304,240.80 = 69,732.80/x
  3. Step 3: Cross multiply
    202,846.40x = 304,240.80 × 69,732.80
  4. Step 4: Simplify right side
    202,846.40x = 21,215,562,858.24
  5. Step 5: Solve for x
    x = 21,215,562,858.24/202,846.40
  6. Step 6: Final answer
    x = 104,589.30

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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.