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Finding the Fourth Proportional to 185,269.64, 255,676.84 and 113,689.22

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Solution

The fourth proportional to 185,269.64, 255,676.84 and 113,689.22 is: 156,894.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,269.64 : 255,676.84 = 113,689.22 : x
  2. Step 2: Convert to fraction form
    185,269.64/255,676.84 = 113,689.22/x
  3. Step 3: Cross multiply
    185,269.64x = 255,676.84 × 113,689.22
  4. Step 4: Simplify right side
    185,269.64x = 29,067,700,511.66
  5. Step 5: Solve for x
    x = 29,067,700,511.66/185,269.64
  6. Step 6: Final answer
    x = 156,894.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.