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Finding the Fourth Proportional to 117,167.82, 175,752.77 and 28,422.09

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Solution

The fourth proportional to 117,167.82, 175,752.77 and 28,422.09 is: 42,633.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,167.82 : 175,752.77 = 28,422.09 : x
  2. Step 2: Convert to fraction form
    117,167.82/175,752.77 = 28,422.09/x
  3. Step 3: Cross multiply
    117,167.82x = 175,752.77 × 28,422.09
  4. Step 4: Simplify right side
    117,167.82x = 4,995,260,904.58
  5. Step 5: Solve for x
    x = 4,995,260,904.58/117,167.82
  6. Step 6: Final answer
    x = 42,633.39

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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.