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Finding the Fourth Proportional to 238,495.65, 329,108.09 and 131,063.37

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Solution

The fourth proportional to 238,495.65, 329,108.09 and 131,063.37 is: 180,858.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,495.65 : 329,108.09 = 131,063.37 : x
  2. Step 2: Convert to fraction form
    238,495.65/329,108.09 = 131,063.37/x
  3. Step 3: Cross multiply
    238,495.65x = 329,108.09 × 131,063.37
  4. Step 4: Simplify right side
    238,495.65x = 43,134,014,714.35
  5. Step 5: Solve for x
    x = 43,134,014,714.35/238,495.65
  6. Step 6: Final answer
    x = 180,858.71

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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.