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Finding the Fourth Proportional to 238,590.63, 329,255.28 and 131,162.49

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Solution

The fourth proportional to 238,590.63, 329,255.28 and 131,162.49 is: 181,004.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,590.63 : 329,255.28 = 131,162.49 : x
  2. Step 2: Convert to fraction form
    238,590.63/329,255.28 = 131,162.49/x
  3. Step 3: Cross multiply
    238,590.63x = 329,255.28 × 131,162.49
  4. Step 4: Simplify right side
    238,590.63x = 43,185,942,370.45
  5. Step 5: Solve for x
    x = 43,185,942,370.45/238,590.63
  6. Step 6: Final answer
    x = 181,004.35

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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.