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Finding the Fourth Proportional to 248,156.99, 372,054.03 and 79,581.37

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Solution

The fourth proportional to 248,156.99, 372,054.03 and 79,581.37 is: 119,313.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,156.99 : 372,054.03 = 79,581.37 : x
  2. Step 2: Convert to fraction form
    248,156.99/372,054.03 = 79,581.37/x
  3. Step 3: Cross multiply
    248,156.99x = 372,054.03 × 79,581.37
  4. Step 4: Simplify right side
    248,156.99x = 29,608,567,561.15
  5. Step 5: Solve for x
    x = 29,608,567,561.15/248,156.99
  6. Step 6: Final answer
    x = 119,313.86

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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.