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Finding the Fourth Proportional to 248,730.52, 372,986.16 and 71,197.24

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Solution

The fourth proportional to 248,730.52, 372,986.16 and 71,197.24 is: 106,764.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,730.52 : 372,986.16 = 71,197.24 : x
  2. Step 2: Convert to fraction form
    248,730.52/372,986.16 = 71,197.24/x
  3. Step 3: Cross multiply
    248,730.52x = 372,986.16 × 71,197.24
  4. Step 4: Simplify right side
    248,730.52x = 26,555,585,150.20
  5. Step 5: Solve for x
    x = 26,555,585,150.20/248,730.52
  6. Step 6: Final answer
    x = 106,764.48

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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.