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Finding the Fourth Proportional to 248,694.21, 343,185.80 and 141,250.14

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Solution

The fourth proportional to 248,694.21, 343,185.80 and 141,250.14 is: 194,918.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,694.21 : 343,185.80 = 141,250.14 : x
  2. Step 2: Convert to fraction form
    248,694.21/343,185.80 = 141,250.14/x
  3. Step 3: Cross multiply
    248,694.21x = 343,185.80 × 141,250.14
  4. Step 4: Simplify right side
    248,694.21x = 48,475,041,589.76
  5. Step 5: Solve for x
    x = 48,475,041,589.76/248,694.21
  6. Step 6: Final answer
    x = 194,918.26

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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.