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Finding the Fourth Proportional to 302,067.56, 453,121.34 and 88,854.54

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Solution

The fourth proportional to 302,067.56, 453,121.34 and 88,854.54 is: 133,287.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,067.56 : 453,121.34 = 88,854.54 : x
  2. Step 2: Convert to fraction form
    302,067.56/453,121.34 = 88,854.54/x
  3. Step 3: Cross multiply
    302,067.56x = 453,121.34 × 88,854.54
  4. Step 4: Simplify right side
    302,067.56x = 40,261,887,785.61
  5. Step 5: Solve for x
    x = 40,261,887,785.61/302,067.56
  6. Step 6: Final answer
    x = 133,287.69

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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.