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Finding the Fourth Proportional to 174,408.55, 261,640.24 and 74,569.27

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Solution

The fourth proportional to 174,408.55, 261,640.24 and 74,569.27 is: 111,865.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,408.55 : 261,640.24 = 74,569.27 : x
  2. Step 2: Convert to fraction form
    174,408.55/261,640.24 = 74,569.27/x
  3. Step 3: Cross multiply
    174,408.55x = 261,640.24 × 74,569.27
  4. Step 4: Simplify right side
    174,408.55x = 19,510,320,858.90
  5. Step 5: Solve for x
    x = 19,510,320,858.90/174,408.55
  6. Step 6: Final answer
    x = 111,865.62

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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.