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Finding the Fourth Proportional to 468,608.75, 702,937.20 and 131,675.68

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Solution

The fourth proportional to 468,608.75, 702,937.20 and 131,675.68 is: 197,520.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,608.75 : 702,937.20 = 131,675.68 : x
  2. Step 2: Convert to fraction form
    468,608.75/702,937.20 = 131,675.68/x
  3. Step 3: Cross multiply
    468,608.75x = 702,937.20 × 131,675.68
  4. Step 4: Simplify right side
    468,608.75x = 92,559,733,614.85
  5. Step 5: Solve for x
    x = 92,559,733,614.85/468,608.75
  6. Step 6: Final answer
    x = 197,520.28

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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.