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Finding the Fourth Proportional to 88,432.88, 132,621.80 and 29,255.28

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Solution

The fourth proportional to 88,432.88, 132,621.80 and 29,255.28 is: 43,873.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,432.88 : 132,621.80 = 29,255.28 : x
  2. Step 2: Convert to fraction form
    88,432.88/132,621.80 = 29,255.28/x
  3. Step 3: Cross multiply
    88,432.88x = 132,621.80 × 29,255.28
  4. Step 4: Simplify right side
    88,432.88x = 3,879,887,893.10
  5. Step 5: Solve for x
    x = 3,879,887,893.10/88,432.88
  6. Step 6: Final answer
    x = 43,873.82

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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.