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Finding the Fourth Proportional to 248,054.95, 372,047.38 and 79,553.38

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Solution

The fourth proportional to 248,054.95, 372,047.38 and 79,553.38 is: 119,318.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,054.95 : 372,047.38 = 79,553.38 : x
  2. Step 2: Convert to fraction form
    248,054.95/372,047.38 = 79,553.38/x
  3. Step 3: Cross multiply
    248,054.95x = 372,047.38 × 79,553.38
  4. Step 4: Simplify right side
    248,054.95x = 29,597,624,738.91
  5. Step 5: Solve for x
    x = 29,597,624,738.91/248,054.95
  6. Step 6: Final answer
    x = 119,318.83

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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.