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Finding the Fourth Proportional to 113,067.59, 169,602.77 and 28,827.72

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Solution

The fourth proportional to 113,067.59, 169,602.77 and 28,827.72 is: 43,241.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,067.59 : 169,602.77 = 28,827.72 : x
  2. Step 2: Convert to fraction form
    113,067.59/169,602.77 = 28,827.72/x
  3. Step 3: Cross multiply
    113,067.59x = 169,602.77 × 28,827.72
  4. Step 4: Simplify right side
    113,067.59x = 4,889,261,236.85
  5. Step 5: Solve for x
    x = 4,889,261,236.85/113,067.59
  6. Step 6: Final answer
    x = 43,241.94

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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.