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Finding the Fourth Proportional to 167,597.76, 231,279 and 92,145.68

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Solution

The fourth proportional to 167,597.76, 231,279 and 92,145.68 is: 127,157.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,597.76 : 231,279 = 92,145.68 : x
  2. Step 2: Convert to fraction form
    167,597.76/231,279 = 92,145.68/x
  3. Step 3: Cross multiply
    167,597.76x = 231,279 × 92,145.68
  4. Step 4: Simplify right side
    167,597.76x = 21,311,360,724.72
  5. Step 5: Solve for x
    x = 21,311,360,724.72/167,597.76
  6. Step 6: Final answer
    x = 127,157.79

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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.