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Finding the Fourth Proportional to 88,179.78, 132,288.84 and 29,012.52

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Solution

The fourth proportional to 88,179.78, 132,288.84 and 29,012.52 is: 43,525.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,179.78 : 132,288.84 = 29,012.52 : x
  2. Step 2: Convert to fraction form
    88,179.78/132,288.84 = 29,012.52/x
  3. Step 3: Cross multiply
    88,179.78x = 132,288.84 × 29,012.52
  4. Step 4: Simplify right side
    88,179.78x = 3,838,032,616.28
  5. Step 5: Solve for x
    x = 3,838,032,616.28/88,179.78
  6. Step 6: Final answer
    x = 43,525.09

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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.