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Finding the Fourth Proportional to 73,192.88, 101,006.36 and 40,928.64

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Solution

The fourth proportional to 73,192.88, 101,006.36 and 40,928.64 is: 56,481.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,192.88 : 101,006.36 = 40,928.64 : x
  2. Step 2: Convert to fraction form
    73,192.88/101,006.36 = 40,928.64/x
  3. Step 3: Cross multiply
    73,192.88x = 101,006.36 × 40,928.64
  4. Step 4: Simplify right side
    73,192.88x = 4,134,052,946.15
  5. Step 5: Solve for x
    x = 4,134,052,946.15/73,192.88
  6. Step 6: Final answer
    x = 56,481.63

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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.