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Finding the Fourth Proportional to 110,871.93, 166,305.54 and 35,991.96

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Solution

The fourth proportional to 110,871.93, 166,305.54 and 35,991.96 is: 53,987.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,871.93 : 166,305.54 = 35,991.96 : x
  2. Step 2: Convert to fraction form
    110,871.93/166,305.54 = 35,991.96/x
  3. Step 3: Cross multiply
    110,871.93x = 166,305.54 × 35,991.96
  4. Step 4: Simplify right side
    110,871.93x = 5,985,662,343.46
  5. Step 5: Solve for x
    x = 5,985,662,343.46/110,871.93
  6. Step 6: Final answer
    x = 53,987.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.