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Finding the Fourth Proportional to 73,787.79, 110,734.88 and 29,388.86

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Solution

The fourth proportional to 73,787.79, 110,734.88 and 29,388.86 is: 44,104.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,787.79 : 110,734.88 = 29,388.86 : x
  2. Step 2: Convert to fraction form
    73,787.79/110,734.88 = 29,388.86/x
  3. Step 3: Cross multiply
    73,787.79x = 110,734.88 × 29,388.86
  4. Step 4: Simplify right side
    73,787.79x = 3,254,371,765.39
  5. Step 5: Solve for x
    x = 3,254,371,765.39/73,787.79
  6. Step 6: Final answer
    x = 44,104.47

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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.