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Finding the Fourth Proportional to 109,520.48, 164,280.88 and 26,414.48

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Solution

The fourth proportional to 109,520.48, 164,280.88 and 26,414.48 is: 39,621.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,520.48 : 164,280.88 = 26,414.48 : x
  2. Step 2: Convert to fraction form
    109,520.48/164,280.88 = 26,414.48/x
  3. Step 3: Cross multiply
    109,520.48x = 164,280.88 × 26,414.48
  4. Step 4: Simplify right side
    109,520.48x = 4,339,394,019.14
  5. Step 5: Solve for x
    x = 4,339,394,019.14/109,520.48
  6. Step 6: Final answer
    x = 39,621.76

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1.5x scale

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.