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Finding the Fourth Proportional to 253,673.50, 350,065.14 and 140,493.82

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Solution

The fourth proportional to 253,673.50, 350,065.14 and 140,493.82 is: 193,879.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,673.50 : 350,065.14 = 140,493.82 : x
  2. Step 2: Convert to fraction form
    253,673.50/350,065.14 = 140,493.82/x
  3. Step 3: Cross multiply
    253,673.50x = 350,065.14 × 140,493.82
  4. Step 4: Simplify right side
    253,673.50x = 49,181,988,767.43
  5. Step 5: Solve for x
    x = 49,181,988,767.43/253,673.50
  6. Step 6: Final answer
    x = 193,879.10

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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.