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Finding the Fourth Proportional to 248,697.46, 343,190.28 and 141,253.39

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Solution

The fourth proportional to 248,697.46, 343,190.28 and 141,253.39 is: 194,922.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,697.46 : 343,190.28 = 141,253.39 : x
  2. Step 2: Convert to fraction form
    248,697.46/343,190.28 = 141,253.39/x
  3. Step 3: Cross multiply
    248,697.46x = 343,190.28 × 141,253.39
  4. Step 4: Simplify right side
    248,697.46x = 48,476,790,465.05
  5. Step 5: Solve for x
    x = 48,476,790,465.05/248,697.46
  6. Step 6: Final answer
    x = 194,922.74

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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.