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Finding the Fourth Proportional to 218,393.28, 327,670.02 and 92,065.32

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Solution

The fourth proportional to 218,393.28, 327,670.02 and 92,065.32 is: 138,131.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,393.28 : 327,670.02 = 92,065.32 : x
  2. Step 2: Convert to fraction form
    218,393.28/327,670.02 = 92,065.32/x
  3. Step 3: Cross multiply
    218,393.28x = 327,670.02 × 92,065.32
  4. Step 4: Simplify right side
    218,393.28x = 30,167,045,245.71
  5. Step 5: Solve for x
    x = 30,167,045,245.71/218,393.28
  6. Step 6: Final answer
    x = 138,131.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.