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Finding the Fourth Proportional to 167,226.57, 230,771.48 and 90,743.72

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Solution

The fourth proportional to 167,226.57, 230,771.48 and 90,743.72 is: 125,225.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,226.57 : 230,771.48 = 90,743.72 : x
  2. Step 2: Convert to fraction form
    167,226.57/230,771.48 = 90,743.72/x
  3. Step 3: Cross multiply
    167,226.57x = 230,771.48 × 90,743.72
  4. Step 4: Simplify right side
    167,226.57x = 20,941,060,957.53
  5. Step 5: Solve for x
    x = 20,941,060,957.53/167,226.57
  6. Step 6: Final answer
    x = 125,225.68

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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.