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Finding the Fourth Proportional to 110,795.37, 166,228.01 and 84,268.42

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Solution

The fourth proportional to 110,795.37, 166,228.01 and 84,268.42 is: 126,429.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,795.37 : 166,228.01 = 84,268.42 : x
  2. Step 2: Convert to fraction form
    110,795.37/166,228.01 = 84,268.42/x
  3. Step 3: Cross multiply
    110,795.37x = 166,228.01 × 84,268.42
  4. Step 4: Simplify right side
    110,795.37x = 14,007,771,762.44
  5. Step 5: Solve for x
    x = 14,007,771,762.44/110,795.37
  6. Step 6: Final answer
    x = 126,429.22

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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.