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Finding the Fourth Proportional to 253,900.88, 350,383.22 and 151,930.59

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Solution

The fourth proportional to 253,900.88, 350,383.22 and 151,930.59 is: 209,664.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,900.88 : 350,383.22 = 151,930.59 : x
  2. Step 2: Convert to fraction form
    253,900.88/350,383.22 = 151,930.59/x
  3. Step 3: Cross multiply
    253,900.88x = 350,383.22 × 151,930.59
  4. Step 4: Simplify right side
    253,900.88x = 53,233,927,836.85
  5. Step 5: Solve for x
    x = 53,233,927,836.85/253,900.88
  6. Step 6: Final answer
    x = 209,664.21

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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.