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Finding the Fourth Proportional to 299,039.34, 448,645.59 and 88,682.34

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Solution

The fourth proportional to 299,039.34, 448,645.59 and 88,682.34 is: 133,049.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,039.34 : 448,645.59 = 88,682.34 : x
  2. Step 2: Convert to fraction form
    299,039.34/448,645.59 = 88,682.34/x
  3. Step 3: Cross multiply
    299,039.34x = 448,645.59 × 88,682.34
  4. Step 4: Simplify right side
    299,039.34x = 39,786,940,751.88
  5. Step 5: Solve for x
    x = 39,786,940,751.88/299,039.34
  6. Step 6: Final answer
    x = 133,049.19

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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.