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Finding the Fourth Proportional to 105,571.92, 145,691.62 and 60,249.00

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Solution

The fourth proportional to 105,571.92, 145,691.62 and 60,249.00 is: 83,144.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,571.92 : 145,691.62 = 60,249.00 : x
  2. Step 2: Convert to fraction form
    105,571.92/145,691.62 = 60,249.00/x
  3. Step 3: Cross multiply
    105,571.92x = 145,691.62 × 60,249.00
  4. Step 4: Simplify right side
    105,571.92x = 8,777,775,148.00
  5. Step 5: Solve for x
    x = 8,777,775,148.00/105,571.92
  6. Step 6: Final answer
    x = 83,144.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.