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Finding the Fourth Proportional to 112,682.58, 169,046.58 and 41,605.68

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Solution

The fourth proportional to 112,682.58, 169,046.58 and 41,605.68 is: 62,416.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,682.58 : 169,046.58 = 41,605.68 : x
  2. Step 2: Convert to fraction form
    112,682.58/169,046.58 = 41,605.68/x
  3. Step 3: Cross multiply
    112,682.58x = 169,046.58 × 41,605.68
  4. Step 4: Simplify right side
    112,682.58x = 7,033,297,912.57
  5. Step 5: Solve for x
    x = 7,033,297,912.57/112,682.58
  6. Step 6: Final answer
    x = 62,416.91

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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.