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Finding the Fourth Proportional to 71,805,269.25, 107,707,906.31 and 17,952,581.25

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Solution

The fourth proportional to 71,805,269.25, 107,707,906.31 and 17,952,581.25 is: 26,928,872.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,805,269.25 : 107,707,906.31 = 17,952,581.25 : x
  2. Step 2: Convert to fraction form
    71,805,269.25/107,707,906.31 = 17,952,581.25/x
  3. Step 3: Cross multiply
    71,805,269.25x = 107,707,906.31 × 17,952,581.25
  4. Step 4: Simplify right side
    71,805,269.25x = 1,933,634,939,207,900
  5. Step 5: Solve for x
    x = 1,933,634,939,207,900/71,805,269.25
  6. Step 6: Final answer
    x = 26,928,872.48

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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.