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Finding the Fourth Proportional to 100,838.90, 151,252.23 and 44,662.52

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Solution

The fourth proportional to 100,838.90, 151,252.23 and 44,662.52 is: 66,991.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,838.90 : 151,252.23 = 44,662.52 : x
  2. Step 2: Convert to fraction form
    100,838.90/151,252.23 = 44,662.52/x
  3. Step 3: Cross multiply
    100,838.90x = 151,252.23 × 44,662.52
  4. Step 4: Simplify right side
    100,838.90x = 6,755,305,747.42
  5. Step 5: Solve for x
    x = 6,755,305,747.42/100,838.90
  6. Step 6: Final answer
    x = 66,991.07

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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.