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Finding the Fourth Proportional to 181,157.96, 271,633.26 and 75,888.20

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Solution

The fourth proportional to 181,157.96, 271,633.26 and 75,888.20 is: 113,788.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,157.96 : 271,633.26 = 75,888.20 : x
  2. Step 2: Convert to fraction form
    181,157.96/271,633.26 = 75,888.20/x
  3. Step 3: Cross multiply
    181,157.96x = 271,633.26 × 75,888.20
  4. Step 4: Simplify right side
    181,157.96x = 20,613,759,161.53
  5. Step 5: Solve for x
    x = 20,613,759,161.53/181,157.96
  6. Step 6: Final answer
    x = 113,788.87

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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.