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Finding the Fourth Proportional to 253,887.80, 350,364.44 and 140,710.56

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Solution

The fourth proportional to 253,887.80, 350,364.44 and 140,710.56 is: 194,180.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,887.80 : 350,364.44 = 140,710.56 : x
  2. Step 2: Convert to fraction form
    253,887.80/350,364.44 = 140,710.56/x
  3. Step 3: Cross multiply
    253,887.80x = 350,364.44 × 140,710.56
  4. Step 4: Simplify right side
    253,887.80x = 49,299,976,556.49
  5. Step 5: Solve for x
    x = 49,299,976,556.49/253,887.80
  6. Step 6: Final answer
    x = 194,180.17

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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.