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Finding the Fourth Proportional to 271,919.70, 407,879.55 and 94,408.20

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Solution

The fourth proportional to 271,919.70, 407,879.55 and 94,408.20 is: 141,612.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,919.70 : 407,879.55 = 94,408.20 : x
  2. Step 2: Convert to fraction form
    271,919.70/407,879.55 = 94,408.20/x
  3. Step 3: Cross multiply
    271,919.70x = 407,879.55 × 94,408.20
  4. Step 4: Simplify right side
    271,919.70x = 38,507,174,132.31
  5. Step 5: Solve for x
    x = 38,507,174,132.31/271,919.70
  6. Step 6: Final answer
    x = 141,612.30

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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.