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Finding the Fourth Proportional to 211,370.66, 317,067.14 and 53,600.48

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Solution

The fourth proportional to 211,370.66, 317,067.14 and 53,600.48 is: 80,403.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,370.66 : 317,067.14 = 53,600.48 : x
  2. Step 2: Convert to fraction form
    211,370.66/317,067.14 = 53,600.48/x
  3. Step 3: Cross multiply
    211,370.66x = 317,067.14 × 53,600.48
  4. Step 4: Simplify right side
    211,370.66x = 16,994,950,896.23
  5. Step 5: Solve for x
    x = 16,994,950,896.23/211,370.66
  6. Step 6: Final answer
    x = 80,403.55

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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.