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Finding the Fourth Proportional to 211,370.77, 317,051.44 and 51,447.39

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Solution

The fourth proportional to 211,370.77, 317,051.44 and 51,447.39 is: 77,169.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,370.77 : 317,051.44 = 51,447.39 : x
  2. Step 2: Convert to fraction form
    211,370.77/317,051.44 = 51,447.39/x
  3. Step 3: Cross multiply
    211,370.77x = 317,051.44 × 51,447.39
  4. Step 4: Simplify right side
    211,370.77x = 16,311,469,083.74
  5. Step 5: Solve for x
    x = 16,311,469,083.74/211,370.77
  6. Step 6: Final answer
    x = 77,169.94

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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.