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Finding the Fourth Proportional to 166,668.26, 250,002.52 and 42,009.26

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Solution

The fourth proportional to 166,668.26, 250,002.52 and 42,009.26 is: 63,013.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,668.26 : 250,002.52 = 42,009.26 : x
  2. Step 2: Convert to fraction form
    166,668.26/250,002.52 = 42,009.26/x
  3. Step 3: Cross multiply
    166,668.26x = 250,002.52 × 42,009.26
  4. Step 4: Simplify right side
    166,668.26x = 10,502,420,863.34
  5. Step 5: Solve for x
    x = 10,502,420,863.34/166,668.26
  6. Step 6: Final answer
    x = 63,013.92

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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.