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Finding the Fourth Proportional to 248,796.50, 343,337.37 and 141,366.53

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Solution

The fourth proportional to 248,796.50, 343,337.37 and 141,366.53 is: 195,084.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,796.50 : 343,337.37 = 141,366.53 : x
  2. Step 2: Convert to fraction form
    248,796.50/343,337.37 = 141,366.53/x
  3. Step 3: Cross multiply
    248,796.50x = 343,337.37 × 141,366.53
  4. Step 4: Simplify right side
    248,796.50x = 48,536,414,137.23
  5. Step 5: Solve for x
    x = 48,536,414,137.23/248,796.50
  6. Step 6: Final answer
    x = 195,084.79

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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.