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Finding the Fourth Proportional to 248,379.68, 342,771.52 and 175,912.40

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Solution

The fourth proportional to 248,379.68, 342,771.52 and 175,912.40 is: 242,764.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,379.68 : 342,771.52 = 175,912.40 : x
  2. Step 2: Convert to fraction form
    248,379.68/342,771.52 = 175,912.40/x
  3. Step 3: Cross multiply
    248,379.68x = 342,771.52 × 175,912.40
  4. Step 4: Simplify right side
    248,379.68x = 60,297,760,734.85
  5. Step 5: Solve for x
    x = 60,297,760,734.85/248,379.68
  6. Step 6: Final answer
    x = 242,764.47

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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.