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Finding the Fourth Proportional to 88,205.76, 132,310.80 and 25,876.08

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Solution

The fourth proportional to 88,205.76, 132,310.80 and 25,876.08 is: 38,814.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,205.76 : 132,310.80 = 25,876.08 : x
  2. Step 2: Convert to fraction form
    88,205.76/132,310.80 = 25,876.08/x
  3. Step 3: Cross multiply
    88,205.76x = 132,310.80 × 25,876.08
  4. Step 4: Simplify right side
    88,205.76x = 3,423,684,845.66
  5. Step 5: Solve for x
    x = 3,423,684,845.66/88,205.76
  6. Step 6: Final answer
    x = 38,814.75

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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.