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Finding the Fourth Proportional to 248,213.53, 372,238.61 and 79,693.77

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Solution

The fourth proportional to 248,213.53, 372,238.61 and 79,693.77 is: 119,514.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,213.53 : 372,238.61 = 79,693.77 : x
  2. Step 2: Convert to fraction form
    248,213.53/372,238.61 = 79,693.77/x
  3. Step 3: Cross multiply
    248,213.53x = 372,238.61 × 79,693.77
  4. Step 4: Simplify right side
    248,213.53x = 29,665,099,167.89
  5. Step 5: Solve for x
    x = 29,665,099,167.89/248,213.53
  6. Step 6: Final answer
    x = 119,514.43

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1.5x scale

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.