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Finding the Fourth Proportional to 167,042.70, 250,223.85 and 103,668.30

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Solution

The fourth proportional to 167,042.70, 250,223.85 and 103,668.30 is: 155,291.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,042.70 : 250,223.85 = 103,668.30 : x
  2. Step 2: Convert to fraction form
    167,042.70/250,223.85 = 103,668.30/x
  3. Step 3: Cross multiply
    167,042.70x = 250,223.85 × 103,668.30
  4. Step 4: Simplify right side
    167,042.70x = 25,940,281,148.96
  5. Step 5: Solve for x
    x = 25,940,281,148.96/167,042.70
  6. Step 6: Final answer
    x = 155,291.32

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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.