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Finding the Fourth Proportional to 118,028.70, 162,874.52 and 67,041.27

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Solution

The fourth proportional to 118,028.70, 162,874.52 and 67,041.27 is: 92,514.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,028.70 : 162,874.52 = 67,041.27 : x
  2. Step 2: Convert to fraction form
    118,028.70/162,874.52 = 67,041.27/x
  3. Step 3: Cross multiply
    118,028.70x = 162,874.52 × 67,041.27
  4. Step 4: Simplify right side
    118,028.70x = 10,919,314,671.44
  5. Step 5: Solve for x
    x = 10,919,314,671.44/118,028.70
  6. Step 6: Final answer
    x = 92,514.06

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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.