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Finding the Fourth Proportional to 275,188.52, 412,755.06 and 75,529.02

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Solution

The fourth proportional to 275,188.52, 412,755.06 and 75,529.02 is: 113,285.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,188.52 : 412,755.06 = 75,529.02 : x
  2. Step 2: Convert to fraction form
    275,188.52/412,755.06 = 75,529.02/x
  3. Step 3: Cross multiply
    275,188.52x = 412,755.06 × 75,529.02
  4. Step 4: Simplify right side
    275,188.52x = 31,174,985,181.84
  5. Step 5: Solve for x
    x = 31,174,985,181.84/275,188.52
  6. Step 6: Final answer
    x = 113,285.92

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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.