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Finding the Fourth Proportional to 106,396.52, 146,828.16 and 58,651.56

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Solution

The fourth proportional to 106,396.52, 146,828.16 and 58,651.56 is: 80,939.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,396.52 : 146,828.16 = 58,651.56 : x
  2. Step 2: Convert to fraction form
    106,396.52/146,828.16 = 58,651.56/x
  3. Step 3: Cross multiply
    106,396.52x = 146,828.16 × 58,651.56
  4. Step 4: Simplify right side
    106,396.52x = 8,611,700,635.93
  5. Step 5: Solve for x
    x = 8,611,700,635.93/106,396.52
  6. Step 6: Final answer
    x = 80,939.69

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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.