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Finding the Fourth Proportional to 220,899.26, 331,447.44 and 115,693.76

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Solution

The fourth proportional to 220,899.26, 331,447.44 and 115,693.76 is: 173,592.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,899.26 : 331,447.44 = 115,693.76 : x
  2. Step 2: Convert to fraction form
    220,899.26/331,447.44 = 115,693.76/x
  3. Step 3: Cross multiply
    220,899.26x = 331,447.44 × 115,693.76
  4. Step 4: Simplify right side
    220,899.26x = 38,346,400,575.97
  5. Step 5: Solve for x
    x = 38,346,400,575.97/220,899.26
  6. Step 6: Final answer
    x = 173,592.25

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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.