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Finding the Fourth Proportional to 220,604.75, 331,047.10 and 94,245.94

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Solution

The fourth proportional to 220,604.75, 331,047.10 and 94,245.94 is: 141,428.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,604.75 : 331,047.10 = 94,245.94 : x
  2. Step 2: Convert to fraction form
    220,604.75/331,047.10 = 94,245.94/x
  3. Step 3: Cross multiply
    220,604.75x = 331,047.10 × 94,245.94
  4. Step 4: Simplify right side
    220,604.75x = 31,199,845,123.77
  5. Step 5: Solve for x
    x = 31,199,845,123.77/220,604.75
  6. Step 6: Final answer
    x = 141,428.71

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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.