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Finding the Fourth Proportional to 146,624.56, 202,341.18 and 79,556.56

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Solution

The fourth proportional to 146,624.56, 202,341.18 and 79,556.56 is: 109,787.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,624.56 : 202,341.18 = 79,556.56 : x
  2. Step 2: Convert to fraction form
    146,624.56/202,341.18 = 79,556.56/x
  3. Step 3: Cross multiply
    146,624.56x = 202,341.18 × 79,556.56
  4. Step 4: Simplify right side
    146,624.56x = 16,097,568,227.14
  5. Step 5: Solve for x
    x = 16,097,568,227.14/146,624.56
  6. Step 6: Final answer
    x = 109,787.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.