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Finding the Fourth Proportional to 468,481.98, 702,710.20 and 131,525.42

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Solution

The fourth proportional to 468,481.98, 702,710.20 and 131,525.42 is: 197,284.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,481.98 : 702,710.20 = 131,525.42 : x
  2. Step 2: Convert to fraction form
    468,481.98/702,710.20 = 131,525.42/x
  3. Step 3: Cross multiply
    468,481.98x = 702,710.20 × 131,525.42
  4. Step 4: Simplify right side
    468,481.98x = 92,424,254,193.28
  5. Step 5: Solve for x
    x = 92,424,254,193.28/468,481.98
  6. Step 6: Final answer
    x = 197,284.54

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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.