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Finding the Fourth Proportional to 99,951.44, 149,805.90 and 73,410.06

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Solution

The fourth proportional to 99,951.44, 149,805.90 and 73,410.06 is: 110,026.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,951.44 : 149,805.90 = 73,410.06 : x
  2. Step 2: Convert to fraction form
    99,951.44/149,805.90 = 73,410.06/x
  3. Step 3: Cross multiply
    99,951.44x = 149,805.90 × 73,410.06
  4. Step 4: Simplify right side
    99,951.44x = 10,997,260,107.35
  5. Step 5: Solve for x
    x = 10,997,260,107.35/99,951.44
  6. Step 6: Final answer
    x = 110,026.03

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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.