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Finding the Fourth Proportional to 202,996.67, 304,515.46 and 69,859.40

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Solution

The fourth proportional to 202,996.67, 304,515.46 and 69,859.40 is: 104,796.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,996.67 : 304,515.46 = 69,859.40 : x
  2. Step 2: Convert to fraction form
    202,996.67/304,515.46 = 69,859.40/x
  3. Step 3: Cross multiply
    202,996.67x = 304,515.46 × 69,859.40
  4. Step 4: Simplify right side
    202,996.67x = 21,273,267,326.32
  5. Step 5: Solve for x
    x = 21,273,267,326.32/202,996.67
  6. Step 6: Final answer
    x = 104,796.14

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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.