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Finding the Fourth Proportional to 218,473.94, 327,406.26 and 165,122.12

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Solution

The fourth proportional to 218,473.94, 327,406.26 and 165,122.12 is: 247,452.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,473.94 : 327,406.26 = 165,122.12 : x
  2. Step 2: Convert to fraction form
    218,473.94/327,406.26 = 165,122.12/x
  3. Step 3: Cross multiply
    218,473.94x = 327,406.26 × 165,122.12
  4. Step 4: Simplify right side
    218,473.94x = 54,062,015,752.47
  5. Step 5: Solve for x
    x = 54,062,015,752.47/218,473.94
  6. Step 6: Final answer
    x = 247,452.93

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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.