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Finding the Fourth Proportional to 88,578.78, 132,788.76 and 32,379.36

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Solution

The fourth proportional to 88,578.78, 132,788.76 and 32,379.36 is: 48,540.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,578.78 : 132,788.76 = 32,379.36 : x
  2. Step 2: Convert to fraction form
    88,578.78/132,788.76 = 32,379.36/x
  3. Step 3: Cross multiply
    88,578.78x = 132,788.76 × 32,379.36
  4. Step 4: Simplify right side
    88,578.78x = 4,299,615,063.99
  5. Step 5: Solve for x
    x = 4,299,615,063.99/88,578.78
  6. Step 6: Final answer
    x = 48,540.01

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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.