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Finding the Fourth Proportional to 468,751.74, 703,169.15 and 131,795.34

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Solution

The fourth proportional to 468,751.74, 703,169.15 and 131,795.34 is: 197,704.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,751.74 : 703,169.15 = 131,795.34 : x
  2. Step 2: Convert to fraction form
    468,751.74/703,169.15 = 131,795.34/x
  3. Step 3: Cross multiply
    468,751.74x = 703,169.15 × 131,795.34
  4. Step 4: Simplify right side
    468,751.74x = 92,674,414,647.25
  5. Step 5: Solve for x
    x = 92,674,414,647.25/468,751.74
  6. Step 6: Final answer
    x = 197,704.68

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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.