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Finding the Fourth Proportional to 248,751.87, 343,286.76 and 141,340.11

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Solution

The fourth proportional to 248,751.87, 343,286.76 and 141,340.11 is: 195,054.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,751.87 : 343,286.76 = 141,340.11 : x
  2. Step 2: Convert to fraction form
    248,751.87/343,286.76 = 141,340.11/x
  3. Step 3: Cross multiply
    248,751.87x = 343,286.76 × 141,340.11
  4. Step 4: Simplify right side
    248,751.87x = 48,520,188,419.94
  5. Step 5: Solve for x
    x = 48,520,188,419.94/248,751.87
  6. Step 6: Final answer
    x = 195,054.57

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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.