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Finding the Fourth Proportional to 231,750.05, 347,884.28 and 216,522.05

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Solution

The fourth proportional to 231,750.05, 347,884.28 and 216,522.05 is: 325,025.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,750.05 : 347,884.28 = 216,522.05 : x
  2. Step 2: Convert to fraction form
    231,750.05/347,884.28 = 216,522.05/x
  3. Step 3: Cross multiply
    231,750.05x = 347,884.28 × 216,522.05
  4. Step 4: Simplify right side
    231,750.05x = 75,324,616,385.76
  5. Step 5: Solve for x
    x = 75,324,616,385.76/231,750.05
  6. Step 6: Final answer
    x = 325,025.24

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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.