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Finding the Fourth Proportional to 168,273.65, 231,745.19 and 164,599.49

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Solution

The fourth proportional to 168,273.65, 231,745.19 and 164,599.49 is: 226,685.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,273.65 : 231,745.19 = 164,599.49 : x
  2. Step 2: Convert to fraction form
    168,273.65/231,745.19 = 164,599.49/x
  3. Step 3: Cross multiply
    168,273.65x = 231,745.19 × 164,599.49
  4. Step 4: Simplify right side
    168,273.65x = 38,145,139,840.32
  5. Step 5: Solve for x
    x = 38,145,139,840.32/168,273.65
  6. Step 6: Final answer
    x = 226,685.16

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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.