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Finding the Fourth Proportional to 73,040.84, 100,796.40 and 40,335.32

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Solution

The fourth proportional to 73,040.84, 100,796.40 and 40,335.32 is: 55,662.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,040.84 : 100,796.40 = 40,335.32 : x
  2. Step 2: Convert to fraction form
    73,040.84/100,796.40 = 40,335.32/x
  3. Step 3: Cross multiply
    73,040.84x = 100,796.40 × 40,335.32
  4. Step 4: Simplify right side
    73,040.84x = 4,065,654,733.86
  5. Step 5: Solve for x
    x = 4,065,654,733.86/73,040.84
  6. Step 6: Final answer
    x = 55,662.76

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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.