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Finding the Fourth Proportional to 172,069, 237,352.26 and 108,296.08

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Solution

The fourth proportional to 172,069, 237,352.26 and 108,296.08 is: 149,383.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,069 : 237,352.26 = 108,296.08 : x
  2. Step 2: Convert to fraction form
    172,069/237,352.26 = 108,296.08/x
  3. Step 3: Cross multiply
    172,069x = 237,352.26 × 108,296.08
  4. Step 4: Simplify right side
    172,069x = 25,704,319,337.14
  5. Step 5: Solve for x
    x = 25,704,319,337.14/172,069
  6. Step 6: Final answer
    x = 149,383.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.