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Finding the Fourth Proportional to 103,651.66, 143,046.66 and 58,334.14

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Solution

The fourth proportional to 103,651.66, 143,046.66 and 58,334.14 is: 80,505.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,651.66 : 143,046.66 = 58,334.14 : x
  2. Step 2: Convert to fraction form
    103,651.66/143,046.66 = 58,334.14/x
  3. Step 3: Cross multiply
    103,651.66x = 143,046.66 × 58,334.14
  4. Step 4: Simplify right side
    103,651.66x = 8,344,503,890.97
  5. Step 5: Solve for x
    x = 8,344,503,890.97/103,651.66
  6. Step 6: Final answer
    x = 80,505.26

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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.