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Finding the Fourth Proportional to 248,596.08, 372,885 and 71,102.80

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Solution

The fourth proportional to 248,596.08, 372,885 and 71,102.80 is: 106,651.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,596.08 : 372,885 = 71,102.80 : x
  2. Step 2: Convert to fraction form
    248,596.08/372,885 = 71,102.80/x
  3. Step 3: Cross multiply
    248,596.08x = 372,885 × 71,102.80
  4. Step 4: Simplify right side
    248,596.08x = 26,513,167,578
  5. Step 5: Solve for x
    x = 26,513,167,578/248,596.08
  6. Step 6: Final answer
    x = 106,651.59

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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.