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Finding the Fourth Proportional to 248,370.22, 342,620.85 and 144,910.54

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Solution

The fourth proportional to 248,370.22, 342,620.85 and 144,910.54 is: 199,900.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,370.22 : 342,620.85 = 144,910.54 : x
  2. Step 2: Convert to fraction form
    248,370.22/342,620.85 = 144,910.54/x
  3. Step 3: Cross multiply
    248,370.22x = 342,620.85 × 144,910.54
  4. Step 4: Simplify right side
    248,370.22x = 49,649,372,388.76
  5. Step 5: Solve for x
    x = 49,649,372,388.76/248,370.22
  6. Step 6: Final answer
    x = 199,900.67

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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.