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Finding the Fourth Proportional to 104,591.66, 144,335.62 and 56,845.29

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Solution

The fourth proportional to 104,591.66, 144,335.62 and 56,845.29 is: 78,446.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,591.66 : 144,335.62 = 56,845.29 : x
  2. Step 2: Convert to fraction form
    104,591.66/144,335.62 = 56,845.29/x
  3. Step 3: Cross multiply
    104,591.66x = 144,335.62 × 56,845.29
  4. Step 4: Simplify right side
    104,591.66x = 8,204,800,788.54
  5. Step 5: Solve for x
    x = 8,204,800,788.54/104,591.66
  6. Step 6: Final answer
    x = 78,446.04

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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.