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Finding the Fourth Proportional to 73,768.32, 101,796.48 and 40,227.84

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Solution

The fourth proportional to 73,768.32, 101,796.48 and 40,227.84 is: 55,512.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,768.32 : 101,796.48 = 40,227.84 : x
  2. Step 2: Convert to fraction form
    73,768.32/101,796.48 = 40,227.84/x
  3. Step 3: Cross multiply
    73,768.32x = 101,796.48 × 40,227.84
  4. Step 4: Simplify right side
    73,768.32x = 4,095,052,510.00
  5. Step 5: Solve for x
    x = 4,095,052,510.00/73,768.32
  6. Step 6: Final answer
    x = 55,512.35

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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.