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Finding the Fourth Proportional to 269,891.37, 404,837.60 and 70,211.43

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Solution

The fourth proportional to 269,891.37, 404,837.60 and 70,211.43 is: 105,317.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,891.37 : 404,837.60 = 70,211.43 : x
  2. Step 2: Convert to fraction form
    269,891.37/404,837.60 = 70,211.43/x
  3. Step 3: Cross multiply
    269,891.37x = 404,837.60 × 70,211.43
  4. Step 4: Simplify right side
    269,891.37x = 28,424,226,462.71
  5. Step 5: Solve for x
    x = 28,424,226,462.71/269,891.37
  6. Step 6: Final answer
    x = 105,317.29

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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.