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Finding the Fourth Proportional to 218,277.54, 327,469.74 and 76,103.10

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Solution

The fourth proportional to 218,277.54, 327,469.74 and 76,103.10 is: 114,173.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,277.54 : 327,469.74 = 76,103.10 : x
  2. Step 2: Convert to fraction form
    218,277.54/327,469.74 = 76,103.10/x
  3. Step 3: Cross multiply
    218,277.54x = 327,469.74 × 76,103.10
  4. Step 4: Simplify right side
    218,277.54x = 24,921,462,370.19
  5. Step 5: Solve for x
    x = 24,921,462,370.19/218,277.54
  6. Step 6: Final answer
    x = 114,173.28

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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.