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Finding the Fourth Proportional to 105,179.87, 157,845.93 and 41,147.45

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Solution

The fourth proportional to 105,179.87, 157,845.93 and 41,147.45 is: 61,750.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,179.87 : 157,845.93 = 41,147.45 : x
  2. Step 2: Convert to fraction form
    105,179.87/157,845.93 = 41,147.45/x
  3. Step 3: Cross multiply
    105,179.87x = 157,845.93 × 41,147.45
  4. Step 4: Simplify right side
    105,179.87x = 6,494,957,512.38
  5. Step 5: Solve for x
    x = 6,494,957,512.38/105,179.87
  6. Step 6: Final answer
    x = 61,750.96

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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.