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Finding the Fourth Proportional to 335,343.84, 503,065.77 and 110,728

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Solution

The fourth proportional to 335,343.84, 503,065.77 and 110,728 is: 166,108.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,343.84 : 503,065.77 = 110,728 : x
  2. Step 2: Convert to fraction form
    335,343.84/503,065.77 = 110,728/x
  3. Step 3: Cross multiply
    335,343.84x = 503,065.77 × 110,728
  4. Step 4: Simplify right side
    335,343.84x = 55,703,466,580.56
  5. Step 5: Solve for x
    x = 55,703,466,580.56/335,343.84
  6. Step 6: Final answer
    x = 166,108.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.