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Finding the Fourth Proportional to 68,027.58, 101,970.90 and 49,260.69

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Solution

The fourth proportional to 68,027.58, 101,970.90 and 49,260.69 is: 73,840.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,027.58 : 101,970.90 = 49,260.69 : x
  2. Step 2: Convert to fraction form
    68,027.58/101,970.90 = 49,260.69/x
  3. Step 3: Cross multiply
    68,027.58x = 101,970.90 × 49,260.69
  4. Step 4: Simplify right side
    68,027.58x = 5,023,156,893.92
  5. Step 5: Solve for x
    x = 5,023,156,893.92/68,027.58
  6. Step 6: Final answer
    x = 73,840.01

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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.