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Finding the Fourth Proportional to 167,243.56, 230,796.77 and 90,762.64

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Solution

The fourth proportional to 167,243.56, 230,796.77 and 90,762.64 is: 125,252.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,243.56 : 230,796.77 = 90,762.64 : x
  2. Step 2: Convert to fraction form
    167,243.56/230,796.77 = 90,762.64/x
  3. Step 3: Cross multiply
    167,243.56x = 230,796.77 × 90,762.64
  4. Step 4: Simplify right side
    167,243.56x = 20,947,724,148.67
  5. Step 5: Solve for x
    x = 20,947,724,148.67/167,243.56
  6. Step 6: Final answer
    x = 125,252.80

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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.