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Finding the Fourth Proportional to 106,348.69, 146,764.32 and 58,605.11

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Solution

The fourth proportional to 106,348.69, 146,764.32 and 58,605.11 is: 80,876.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,348.69 : 146,764.32 = 58,605.11 : x
  2. Step 2: Convert to fraction form
    106,348.69/146,764.32 = 58,605.11/x
  3. Step 3: Cross multiply
    106,348.69x = 146,764.32 × 58,605.11
  4. Step 4: Simplify right side
    106,348.69x = 8,601,138,824.65
  5. Step 5: Solve for x
    x = 8,601,138,824.65/106,348.69
  6. Step 6: Final answer
    x = 80,876.78

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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.