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Finding the Fourth Proportional to 217,222.40, 325,833.60 and 110,934.20

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Solution

The fourth proportional to 217,222.40, 325,833.60 and 110,934.20 is: 166,401.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,222.40 : 325,833.60 = 110,934.20 : x
  2. Step 2: Convert to fraction form
    217,222.40/325,833.60 = 110,934.20/x
  3. Step 3: Cross multiply
    217,222.40x = 325,833.60 × 110,934.20
  4. Step 4: Simplify right side
    217,222.40x = 36,146,089,749.12
  5. Step 5: Solve for x
    x = 36,146,089,749.12/217,222.40
  6. Step 6: Final answer
    x = 166,401.30

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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.