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Finding the Fourth Proportional to 88,578.57, 132,845.16 and 26,234.49

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Solution

The fourth proportional to 88,578.57, 132,845.16 and 26,234.49 is: 39,345.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,578.57 : 132,845.16 = 26,234.49 : x
  2. Step 2: Convert to fraction form
    88,578.57/132,845.16 = 26,234.49/x
  3. Step 3: Cross multiply
    88,578.57x = 132,845.16 × 26,234.49
  4. Step 4: Simplify right side
    88,578.57x = 3,485,125,021.57
  5. Step 5: Solve for x
    x = 3,485,125,021.57/88,578.57
  6. Step 6: Final answer
    x = 39,345.01

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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.