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Finding the Fourth Proportional to 253,812.89, 350,249.77 and 151,894.43

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Solution

The fourth proportional to 253,812.89, 350,249.77 and 151,894.43 is: 209,607.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,812.89 : 350,249.77 = 151,894.43 : x
  2. Step 2: Convert to fraction form
    253,812.89/350,249.77 = 151,894.43/x
  3. Step 3: Cross multiply
    253,812.89x = 350,249.77 × 151,894.43
  4. Step 4: Simplify right side
    253,812.89x = 53,200,988,923.84
  5. Step 5: Solve for x
    x = 53,200,988,923.84/253,812.89
  6. Step 6: Final answer
    x = 209,607.12

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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.