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Finding the Fourth Proportional to 100,385.52, 150,553.02 and 41,237.52

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Solution

The fourth proportional to 100,385.52, 150,553.02 and 41,237.52 is: 61,845.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,385.52 : 150,553.02 = 41,237.52 : x
  2. Step 2: Convert to fraction form
    100,385.52/150,553.02 = 41,237.52/x
  3. Step 3: Cross multiply
    100,385.52x = 150,553.02 × 41,237.52
  4. Step 4: Simplify right side
    100,385.52x = 6,208,433,173.31
  5. Step 5: Solve for x
    x = 6,208,433,173.31/100,385.52
  6. Step 6: Final answer
    x = 61,845.90

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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.