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Finding the Fourth Proportional to 238,506.76, 329,147.22 and 131,080.60

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Solution

The fourth proportional to 238,506.76, 329,147.22 and 131,080.60 is: 180,895.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,506.76 : 329,147.22 = 131,080.60 : x
  2. Step 2: Convert to fraction form
    238,506.76/329,147.22 = 131,080.60/x
  3. Step 3: Cross multiply
    238,506.76x = 329,147.22 × 131,080.60
  4. Step 4: Simplify right side
    238,506.76x = 43,144,815,085.93
  5. Step 5: Solve for x
    x = 43,144,815,085.93/238,506.76
  6. Step 6: Final answer
    x = 180,895.56

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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.