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Finding the Fourth Proportional to 248,794.50, 343,336.50 and 141,364.65

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Solution

The fourth proportional to 248,794.50, 343,336.50 and 141,364.65 is: 195,083.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,794.50 : 343,336.50 = 141,364.65 : x
  2. Step 2: Convert to fraction form
    248,794.50/343,336.50 = 141,364.65/x
  3. Step 3: Cross multiply
    248,794.50x = 343,336.50 × 141,364.65
  4. Step 4: Simplify right side
    248,794.50x = 48,535,644,154.73
  5. Step 5: Solve for x
    x = 48,535,644,154.73/248,794.50
  6. Step 6: Final answer
    x = 195,083.27

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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.