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Finding the Fourth Proportional to 88,269, 132,403.50 and 22,605

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Solution

The fourth proportional to 88,269, 132,403.50 and 22,605 is: 33,907.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,269 : 132,403.50 = 22,605 : x
  2. Step 2: Convert to fraction form
    88,269/132,403.50 = 22,605/x
  3. Step 3: Cross multiply
    88,269x = 132,403.50 × 22,605
  4. Step 4: Simplify right side
    88,269x = 2,992,981,117.50
  5. Step 5: Solve for x
    x = 2,992,981,117.50/88,269
  6. Step 6: Final answer
    x = 33,907.50

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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.