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Finding the Fourth Proportional to 180,975.60, 271,427.78 and 61,020.88

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Solution

The fourth proportional to 180,975.60, 271,427.78 and 61,020.88 is: 91,519.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,975.60 : 271,427.78 = 61,020.88 : x
  2. Step 2: Convert to fraction form
    180,975.60/271,427.78 = 61,020.88/x
  3. Step 3: Cross multiply
    180,975.60x = 271,427.78 × 61,020.88
  4. Step 4: Simplify right side
    180,975.60x = 16,562,761,992.05
  5. Step 5: Solve for x
    x = 16,562,761,992.05/180,975.60
  6. Step 6: Final answer
    x = 91,519.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.