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Finding the Fourth Proportional to 236,665, 326,598.26 and 129,235.24

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Solution

The fourth proportional to 236,665, 326,598.26 and 129,235.24 is: 178,344.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,665 : 326,598.26 = 129,235.24 : x
  2. Step 2: Convert to fraction form
    236,665/326,598.26 = 129,235.24/x
  3. Step 3: Cross multiply
    236,665x = 326,598.26 × 129,235.24
  4. Step 4: Simplify right side
    236,665x = 42,208,004,514.68
  5. Step 5: Solve for x
    x = 42,208,004,514.68/236,665
  6. Step 6: Final answer
    x = 178,344.94

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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.