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Finding the Fourth Proportional to 167,226.42, 230,771.77 and 90,744.98

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Solution

The fourth proportional to 167,226.42, 230,771.77 and 90,744.98 is: 125,227.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,226.42 : 230,771.77 = 90,744.98 : x
  2. Step 2: Convert to fraction form
    167,226.42/230,771.77 = 90,744.98/x
  3. Step 3: Cross multiply
    167,226.42x = 230,771.77 × 90,744.98
  4. Step 4: Simplify right side
    167,226.42x = 20,941,378,272.49
  5. Step 5: Solve for x
    x = 20,941,378,272.49/167,226.42
  6. Step 6: Final answer
    x = 125,227.69

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1.5x scale

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.