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Finding the Fourth Proportional to 303,371.06, 418,653.29 and 167,408.98

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Solution

The fourth proportional to 303,371.06, 418,653.29 and 167,408.98 is: 231,025.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,371.06 : 418,653.29 = 167,408.98 : x
  2. Step 2: Convert to fraction form
    303,371.06/418,653.29 = 167,408.98/x
  3. Step 3: Cross multiply
    303,371.06x = 418,653.29 × 167,408.98
  4. Step 4: Simplify right side
    303,371.06x = 70,086,319,624.43
  5. Step 5: Solve for x
    x = 70,086,319,624.43/303,371.06
  6. Step 6: Final answer
    x = 231,025.07

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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.