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Finding the Fourth Proportional to 248,576.40, 372,877.56 and 71,109.54

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Solution

The fourth proportional to 248,576.40, 372,877.56 and 71,109.54 is: 106,668.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,576.40 : 372,877.56 = 71,109.54 : x
  2. Step 2: Convert to fraction form
    248,576.40/372,877.56 = 71,109.54/x
  3. Step 3: Cross multiply
    248,576.40x = 372,877.56 × 71,109.54
  4. Step 4: Simplify right side
    248,576.40x = 26,515,151,767.92
  5. Step 5: Solve for x
    x = 26,515,151,767.92/248,576.40
  6. Step 6: Final answer
    x = 106,668.02

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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.