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Finding the Fourth Proportional to 141,067.92, 211,603.12 and 35,887

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Solution

The fourth proportional to 141,067.92, 211,603.12 and 35,887 is: 53,830.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,067.92 : 211,603.12 = 35,887 : x
  2. Step 2: Convert to fraction form
    141,067.92/211,603.12 = 35,887/x
  3. Step 3: Cross multiply
    141,067.92x = 211,603.12 × 35,887
  4. Step 4: Simplify right side
    141,067.92x = 7,593,801,167.44
  5. Step 5: Solve for x
    x = 7,593,801,167.44/141,067.92
  6. Step 6: Final answer
    x = 53,830.82

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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.