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Finding the Fourth Proportional to 162,634.68, 243,974.70 and 73,910.52

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Solution

The fourth proportional to 162,634.68, 243,974.70 and 73,910.52 is: 110,876.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,634.68 : 243,974.70 = 73,910.52 : x
  2. Step 2: Convert to fraction form
    162,634.68/243,974.70 = 73,910.52/x
  3. Step 3: Cross multiply
    162,634.68x = 243,974.70 × 73,910.52
  4. Step 4: Simplify right side
    162,634.68x = 18,032,296,943.84
  5. Step 5: Solve for x
    x = 18,032,296,943.84/162,634.68
  6. Step 6: Final answer
    x = 110,876.09

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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.