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Finding the Fourth Proportional to 253,710.36, 350,131.86 and 140,533.14

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Solution

The fourth proportional to 253,710.36, 350,131.86 and 140,533.14 is: 193,942.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,710.36 : 350,131.86 = 140,533.14 : x
  2. Step 2: Convert to fraction form
    253,710.36/350,131.86 = 140,533.14/x
  3. Step 3: Cross multiply
    253,710.36x = 350,131.86 × 140,533.14
  4. Step 4: Simplify right side
    253,710.36x = 49,205,129,699.84
  5. Step 5: Solve for x
    x = 49,205,129,699.84/253,710.36
  6. Step 6: Final answer
    x = 193,942.14

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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.