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Finding the Fourth Proportional to 248,950.80, 372,980.70 and 151,399.80

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Solution

The fourth proportional to 248,950.80, 372,980.70 and 151,399.80 is: 226,828.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,950.80 : 372,980.70 = 151,399.80 : x
  2. Step 2: Convert to fraction form
    248,950.80/372,980.70 = 151,399.80/x
  3. Step 3: Cross multiply
    248,950.80x = 372,980.70 × 151,399.80
  4. Step 4: Simplify right side
    248,950.80x = 56,469,203,383.86
  5. Step 5: Solve for x
    x = 56,469,203,383.86/248,950.80
  6. Step 6: Final answer
    x = 226,828.77

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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.