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Finding the Fourth Proportional to 248,615.26, 372,922.90 and 82,403.26

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Solution

The fourth proportional to 248,615.26, 372,922.90 and 82,403.26 is: 123,604.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,615.26 : 372,922.90 = 82,403.26 : x
  2. Step 2: Convert to fraction form
    248,615.26/372,922.90 = 82,403.26/x
  3. Step 3: Cross multiply
    248,615.26x = 372,922.90 × 82,403.26
  4. Step 4: Simplify right side
    248,615.26x = 30,730,062,688.65
  5. Step 5: Solve for x
    x = 30,730,062,688.65/248,615.26
  6. Step 6: Final answer
    x = 123,604.89

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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.