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Finding the Fourth Proportional to 81,733.86, 112,781.16 and 45,922.14

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Solution

The fourth proportional to 81,733.86, 112,781.16 and 45,922.14 is: 63,366.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,733.86 : 112,781.16 = 45,922.14 : x
  2. Step 2: Convert to fraction form
    81,733.86/112,781.16 = 45,922.14/x
  3. Step 3: Cross multiply
    81,733.86x = 112,781.16 × 45,922.14
  4. Step 4: Simplify right side
    81,733.86x = 5,179,152,218.88
  5. Step 5: Solve for x
    x = 5,179,152,218.88/81,733.86
  6. Step 6: Final answer
    x = 63,366.05

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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.