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Finding the Fourth Proportional to 89,648.91, 134,442 and 26,452.26

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Solution

The fourth proportional to 89,648.91, 134,442 and 26,452.26 is: 39,669.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,648.91 : 134,442 = 26,452.26 : x
  2. Step 2: Convert to fraction form
    89,648.91/134,442 = 26,452.26/x
  3. Step 3: Cross multiply
    89,648.91x = 134,442 × 26,452.26
  4. Step 4: Simplify right side
    89,648.91x = 3,556,294,738.92
  5. Step 5: Solve for x
    x = 3,556,294,738.92/89,648.91
  6. Step 6: Final answer
    x = 39,669.14

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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.