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Finding the Fourth Proportional to 73,027.50, 108,927.68 and 66,300.42

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Solution

The fourth proportional to 73,027.50, 108,927.68 and 66,300.42 is: 98,893.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,027.50 : 108,927.68 = 66,300.42 : x
  2. Step 2: Convert to fraction form
    73,027.50/108,927.68 = 66,300.42/x
  3. Step 3: Cross multiply
    73,027.50x = 108,927.68 × 66,300.42
  4. Step 4: Simplify right side
    73,027.50x = 7,221,950,874.44
  5. Step 5: Solve for x
    x = 7,221,950,874.44/73,027.50
  6. Step 6: Final answer
    x = 98,893.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.