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Finding the Fourth Proportional to 73,661.06, 101,652.30 and 40,127.06

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Solution

The fourth proportional to 73,661.06, 101,652.30 and 40,127.06 is: 55,375.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,661.06 : 101,652.30 = 40,127.06 : x
  2. Step 2: Convert to fraction form
    73,661.06/101,652.30 = 40,127.06/x
  3. Step 3: Cross multiply
    73,661.06x = 101,652.30 × 40,127.06
  4. Step 4: Simplify right side
    73,661.06x = 4,079,008,195.37
  5. Step 5: Solve for x
    x = 4,079,008,195.37/73,661.06
  6. Step 6: Final answer
    x = 55,375.36

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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.