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Finding the Fourth Proportional to 217,064.64, 325,334.52 and 111,826.20

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Solution

The fourth proportional to 217,064.64, 325,334.52 and 111,826.20 is: 167,604.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,064.64 : 325,334.52 = 111,826.20 : x
  2. Step 2: Convert to fraction form
    217,064.64/325,334.52 = 111,826.20/x
  3. Step 3: Cross multiply
    217,064.64x = 325,334.52 × 111,826.20
  4. Step 4: Simplify right side
    217,064.64x = 36,380,923,100.42
  5. Step 5: Solve for x
    x = 36,380,923,100.42/217,064.64
  6. Step 6: Final answer
    x = 167,604.10

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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.