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Finding the Fourth Proportional to 234,390.27, 351,585.54 and 65,910.60

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Solution

The fourth proportional to 234,390.27, 351,585.54 and 65,910.60 is: 98,865.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,390.27 : 351,585.54 = 65,910.60 : x
  2. Step 2: Convert to fraction form
    234,390.27/351,585.54 = 65,910.60/x
  3. Step 3: Cross multiply
    234,390.27x = 351,585.54 × 65,910.60
  4. Step 4: Simplify right side
    234,390.27x = 23,173,213,892.72
  5. Step 5: Solve for x
    x = 23,173,213,892.72/234,390.27
  6. Step 6: Final answer
    x = 98,865.94

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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.