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Finding the Fourth Proportional to 269,704.97, 404,564.74 and 70,020.93

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Solution

The fourth proportional to 269,704.97, 404,564.74 and 70,020.93 is: 105,033.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,704.97 : 404,564.74 = 70,020.93 : x
  2. Step 2: Convert to fraction form
    269,704.97/404,564.74 = 70,020.93/x
  3. Step 3: Cross multiply
    269,704.97x = 404,564.74 × 70,020.93
  4. Step 4: Simplify right side
    269,704.97x = 28,327,999,164.96
  5. Step 5: Solve for x
    x = 28,327,999,164.96/269,704.97
  6. Step 6: Final answer
    x = 105,033.29

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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.