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Finding the Fourth Proportional to 80,205.21, 110,691.43 and 46,214.98

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Solution

The fourth proportional to 80,205.21, 110,691.43 and 46,214.98 is: 63,781.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,205.21 : 110,691.43 = 46,214.98 : x
  2. Step 2: Convert to fraction form
    80,205.21/110,691.43 = 46,214.98/x
  3. Step 3: Cross multiply
    80,205.21x = 110,691.43 × 46,214.98
  4. Step 4: Simplify right side
    80,205.21x = 5,115,601,831.36
  5. Step 5: Solve for x
    x = 5,115,601,831.36/80,205.21
  6. Step 6: Final answer
    x = 63,781.42

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