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Finding the Fourth Proportional to 181,419.56, 250,408.26 and 117,753.48

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Solution

The fourth proportional to 181,419.56, 250,408.26 and 117,753.48 is: 162,531.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,419.56 : 250,408.26 = 117,753.48 : x
  2. Step 2: Convert to fraction form
    181,419.56/250,408.26 = 117,753.48/x
  3. Step 3: Cross multiply
    181,419.56x = 250,408.26 × 117,753.48
  4. Step 4: Simplify right side
    181,419.56x = 29,486,444,035.74
  5. Step 5: Solve for x
    x = 29,486,444,035.74/181,419.56
  6. Step 6: Final answer
    x = 162,531.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.