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Finding the Fourth Proportional to 161,183.55, 241,823.61 and 65,071.28

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Solution

The fourth proportional to 161,183.55, 241,823.61 and 65,071.28 is: 97,626.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,183.55 : 241,823.61 = 65,071.28 : x
  2. Step 2: Convert to fraction form
    161,183.55/241,823.61 = 65,071.28/x
  3. Step 3: Cross multiply
    161,183.55x = 241,823.61 × 65,071.28
  4. Step 4: Simplify right side
    161,183.55x = 15,735,770,627.80
  5. Step 5: Solve for x
    x = 15,735,770,627.80/161,183.55
  6. Step 6: Final answer
    x = 97,626.41

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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.