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Finding the Fourth Proportional to 218,007.99, 327,002.81 and 75,885.66

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Solution

The fourth proportional to 218,007.99, 327,002.81 and 75,885.66 is: 113,825.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,007.99 : 327,002.81 = 75,885.66 : x
  2. Step 2: Convert to fraction form
    218,007.99/327,002.81 = 75,885.66/x
  3. Step 3: Cross multiply
    218,007.99x = 327,002.81 × 75,885.66
  4. Step 4: Simplify right side
    218,007.99x = 24,814,823,679.28
  5. Step 5: Solve for x
    x = 24,814,823,679.28/218,007.99
  6. Step 6: Final answer
    x = 113,825.29

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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.