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Finding the Fourth Proportional to 73,768.44, 101,767.92 and 45,490.52

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Solution

The fourth proportional to 73,768.44, 101,767.92 and 45,490.52 is: 62,756.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,768.44 : 101,767.92 = 45,490.52 : x
  2. Step 2: Convert to fraction form
    73,768.44/101,767.92 = 45,490.52/x
  3. Step 3: Cross multiply
    73,768.44x = 101,767.92 × 45,490.52
  4. Step 4: Simplify right side
    73,768.44x = 4,629,475,600.12
  5. Step 5: Solve for x
    x = 4,629,475,600.12/73,768.44
  6. Step 6: Final answer
    x = 62,756.86

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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.