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Finding the Fourth Proportional to 104,295.54, 143,930.88 and 58,972.53

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Solution

The fourth proportional to 104,295.54, 143,930.88 and 58,972.53 is: 81,383.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,295.54 : 143,930.88 = 58,972.53 : x
  2. Step 2: Convert to fraction form
    104,295.54/143,930.88 = 58,972.53/x
  3. Step 3: Cross multiply
    104,295.54x = 143,930.88 × 58,972.53
  4. Step 4: Simplify right side
    104,295.54x = 8,487,967,843.86
  5. Step 5: Solve for x
    x = 8,487,967,843.86/104,295.54
  6. Step 6: Final answer
    x = 81,383.81

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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.