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Finding the Fourth Proportional to 65,262.60, 97,879.14 and 30,183

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Solution

The fourth proportional to 65,262.60, 97,879.14 and 30,183 is: 45,267.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,262.60 : 97,879.14 = 30,183 : x
  2. Step 2: Convert to fraction form
    65,262.60/97,879.14 = 30,183/x
  3. Step 3: Cross multiply
    65,262.60x = 97,879.14 × 30,183
  4. Step 4: Simplify right side
    65,262.60x = 2,954,286,082.62
  5. Step 5: Solve for x
    x = 2,954,286,082.62/65,262.60
  6. Step 6: Final answer
    x = 45,267.67

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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.