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Finding the Fourth Proportional to 248,796.38, 343,326.05 and 141,351.50

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Solution

The fourth proportional to 248,796.38, 343,326.05 and 141,351.50 is: 195,057.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,796.38 : 343,326.05 = 141,351.50 : x
  2. Step 2: Convert to fraction form
    248,796.38/343,326.05 = 141,351.50/x
  3. Step 3: Cross multiply
    248,796.38x = 343,326.05 × 141,351.50
  4. Step 4: Simplify right side
    248,796.38x = 48,529,652,156.58
  5. Step 5: Solve for x
    x = 48,529,652,156.58/248,796.38
  6. Step 6: Final answer
    x = 195,057.71

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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.