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Finding the Fourth Proportional to 269,723.72, 404,605.08 and 103,511.72

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Solution

The fourth proportional to 269,723.72, 404,605.08 and 103,511.72 is: 155,275.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,723.72 : 404,605.08 = 103,511.72 : x
  2. Step 2: Convert to fraction form
    269,723.72/404,605.08 = 103,511.72/x
  3. Step 3: Cross multiply
    269,723.72x = 404,605.08 × 103,511.72
  4. Step 4: Simplify right side
    269,723.72x = 41,881,367,751.54
  5. Step 5: Solve for x
    x = 41,881,367,751.54/269,723.72
  6. Step 6: Final answer
    x = 155,275.06

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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.