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Finding the Fourth Proportional to 73,906.02, 110,858.76 and 18,502.02

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Solution

The fourth proportional to 73,906.02, 110,858.76 and 18,502.02 is: 27,752.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,906.02 : 110,858.76 = 18,502.02 : x
  2. Step 2: Convert to fraction form
    73,906.02/110,858.76 = 18,502.02/x
  3. Step 3: Cross multiply
    73,906.02x = 110,858.76 × 18,502.02
  4. Step 4: Simplify right side
    73,906.02x = 2,051,110,994.70
  5. Step 5: Solve for x
    x = 2,051,110,994.70/73,906.02
  6. Step 6: Final answer
    x = 27,752.96

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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.