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Finding the Fourth Proportional to 88,622.82, 132,894.12 and 25,428.43

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Solution

The fourth proportional to 88,622.82, 132,894.12 and 25,428.43 is: 38,131.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,622.82 : 132,894.12 = 25,428.43 : x
  2. Step 2: Convert to fraction form
    88,622.82/132,894.12 = 25,428.43/x
  3. Step 3: Cross multiply
    88,622.82x = 132,894.12 × 25,428.43
  4. Step 4: Simplify right side
    88,622.82x = 3,379,288,946.27
  5. Step 5: Solve for x
    x = 3,379,288,946.27/88,622.82
  6. Step 6: Final answer
    x = 38,131.14

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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.