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Finding the Fourth Proportional to 248,204.85, 372,125.76 and 79,629.27

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Solution

The fourth proportional to 248,204.85, 372,125.76 and 79,629.27 is: 119,385.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,204.85 : 372,125.76 = 79,629.27 : x
  2. Step 2: Convert to fraction form
    248,204.85/372,125.76 = 79,629.27/x
  3. Step 3: Cross multiply
    248,204.85x = 372,125.76 × 79,629.27
  4. Step 4: Simplify right side
    248,204.85x = 29,632,102,617.00
  5. Step 5: Solve for x
    x = 29,632,102,617.00/248,204.85
  6. Step 6: Final answer
    x = 119,385.67

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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.