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Finding the Fourth Proportional to 88,647.76, 132,878.26 and 29,467.52

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Solution

The fourth proportional to 88,647.76, 132,878.26 and 29,467.52 is: 44,170.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,647.76 : 132,878.26 = 29,467.52 : x
  2. Step 2: Convert to fraction form
    88,647.76/132,878.26 = 29,467.52/x
  3. Step 3: Cross multiply
    88,647.76x = 132,878.26 × 29,467.52
  4. Step 4: Simplify right side
    88,647.76x = 3,915,592,784.12
  5. Step 5: Solve for x
    x = 3,915,592,784.12/88,647.76
  6. Step 6: Final answer
    x = 44,170.24

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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.