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Finding the Fourth Proportional to 165,668.44, 248,506.72 and 60,487.52

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Solution

The fourth proportional to 165,668.44, 248,506.72 and 60,487.52 is: 90,732.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,668.44 : 248,506.72 = 60,487.52 : x
  2. Step 2: Convert to fraction form
    165,668.44/248,506.72 = 60,487.52/x
  3. Step 3: Cross multiply
    165,668.44x = 248,506.72 × 60,487.52
  4. Step 4: Simplify right side
    165,668.44x = 15,031,555,196.13
  5. Step 5: Solve for x
    x = 15,031,555,196.13/165,668.44
  6. Step 6: Final answer
    x = 90,732.76

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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.