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Finding the Fourth Proportional to 88,564.32, 132,826.92 and 26,213.76

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Solution

The fourth proportional to 88,564.32, 132,826.92 and 26,213.76 is: 39,314.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,564.32 : 132,826.92 = 26,213.76 : x
  2. Step 2: Convert to fraction form
    88,564.32/132,826.92 = 26,213.76/x
  3. Step 3: Cross multiply
    88,564.32x = 132,826.92 × 26,213.76
  4. Step 4: Simplify right side
    88,564.32x = 3,481,893,002.42
  5. Step 5: Solve for x
    x = 3,481,893,002.42/88,564.32
  6. Step 6: Final answer
    x = 39,314.85

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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.