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Finding the Fourth Proportional to 109,818.49, 164,539.50 and 73,727.34

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Solution

The fourth proportional to 109,818.49, 164,539.50 and 73,727.34 is: 110,464.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,818.49 : 164,539.50 = 73,727.34 : x
  2. Step 2: Convert to fraction form
    109,818.49/164,539.50 = 73,727.34/x
  3. Step 3: Cross multiply
    109,818.49x = 164,539.50 × 73,727.34
  4. Step 4: Simplify right side
    109,818.49x = 12,131,059,659.93
  5. Step 5: Solve for x
    x = 12,131,059,659.93/109,818.49
  6. Step 6: Final answer
    x = 110,464.64

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.