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Finding the Fourth Proportional to 217,233.60, 325,850.40 and 146,731.20

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Solution

The fourth proportional to 217,233.60, 325,850.40 and 146,731.20 is: 220,096.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,233.60 : 325,850.40 = 146,731.20 : x
  2. Step 2: Convert to fraction form
    217,233.60/325,850.40 = 146,731.20/x
  3. Step 3: Cross multiply
    217,233.60x = 325,850.40 × 146,731.20
  4. Step 4: Simplify right side
    217,233.60x = 47,812,420,212.48
  5. Step 5: Solve for x
    x = 47,812,420,212.48/217,233.60
  6. Step 6: Final answer
    x = 220,096.80

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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.