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Finding the Fourth Proportional to 299,257.96, 448,960.92 and 88,895.56

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Solution

The fourth proportional to 299,257.96, 448,960.92 and 88,895.56 is: 133,365.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,257.96 : 448,960.92 = 88,895.56 : x
  2. Step 2: Convert to fraction form
    299,257.96/448,960.92 = 88,895.56/x
  3. Step 3: Cross multiply
    299,257.96x = 448,960.92 × 88,895.56
  4. Step 4: Simplify right side
    299,257.96x = 39,910,632,401.52
  5. Step 5: Solve for x
    x = 39,910,632,401.52/299,257.96
  6. Step 6: Final answer
    x = 133,365.32

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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.