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Finding the Fourth Proportional to 164,303.57, 226,739.86 and 91,709.75

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Solution

The fourth proportional to 164,303.57, 226,739.86 and 91,709.75 is: 126,559.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,303.57 : 226,739.86 = 91,709.75 : x
  2. Step 2: Convert to fraction form
    164,303.57/226,739.86 = 91,709.75/x
  3. Step 3: Cross multiply
    164,303.57x = 226,739.86 × 91,709.75
  4. Step 4: Simplify right side
    164,303.57x = 20,794,256,213.21
  5. Step 5: Solve for x
    x = 20,794,256,213.21/164,303.57
  6. Step 6: Final answer
    x = 126,559.98

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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.