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Finding the Fourth Proportional to 167,292.81, 230,861.21 and 91,840.77

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Solution

The fourth proportional to 167,292.81, 230,861.21 and 91,840.77 is: 126,738.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,292.81 : 230,861.21 = 91,840.77 : x
  2. Step 2: Convert to fraction form
    167,292.81/230,861.21 = 91,840.77/x
  3. Step 3: Cross multiply
    167,292.81x = 230,861.21 × 91,840.77
  4. Step 4: Simplify right side
    167,292.81x = 21,202,470,830.33
  5. Step 5: Solve for x
    x = 21,202,470,830.33/167,292.81
  6. Step 6: Final answer
    x = 126,738.69

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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.