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Finding the Fourth Proportional to 106,134.57, 146,469.60 and 58,391.55

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Solution

The fourth proportional to 106,134.57, 146,469.60 and 58,391.55 is: 80,582.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,134.57 : 146,469.60 = 58,391.55 : x
  2. Step 2: Convert to fraction form
    106,134.57/146,469.60 = 58,391.55/x
  3. Step 3: Cross multiply
    106,134.57x = 146,469.60 × 58,391.55
  4. Step 4: Simplify right side
    106,134.57x = 8,552,586,971.88
  5. Step 5: Solve for x
    x = 8,552,586,971.88/106,134.57
  6. Step 6: Final answer
    x = 80,582.48

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