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Finding the Fourth Proportional to 298,717.92, 448,161.36 and 88,355.04

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Solution

The fourth proportional to 298,717.92, 448,161.36 and 88,355.04 is: 132,557.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,717.92 : 448,161.36 = 88,355.04 : x
  2. Step 2: Convert to fraction form
    298,717.92/448,161.36 = 88,355.04/x
  3. Step 3: Cross multiply
    298,717.92x = 448,161.36 × 88,355.04
  4. Step 4: Simplify right side
    298,717.92x = 39,597,314,889.25
  5. Step 5: Solve for x
    x = 39,597,314,889.25/298,717.92
  6. Step 6: Final answer
    x = 132,557.55

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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.