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Finding the Fourth Proportional to 109,040.93, 163,298.94 and 73,873.97

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Solution

The fourth proportional to 109,040.93, 163,298.94 and 73,873.97 is: 110,633.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,040.93 : 163,298.94 = 73,873.97 : x
  2. Step 2: Convert to fraction form
    109,040.93/163,298.94 = 73,873.97/x
  3. Step 3: Cross multiply
    109,040.93x = 163,298.94 × 73,873.97
  4. Step 4: Simplify right side
    109,040.93x = 12,063,540,178.10
  5. Step 5: Solve for x
    x = 12,063,540,178.10/109,040.93
  6. Step 6: Final answer
    x = 110,633.14

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Why These Related Problems?

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