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Finding the Fourth Proportional to 180,736.80, 271,056.60 and 54,376.80

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Solution

The fourth proportional to 180,736.80, 271,056.60 and 54,376.80 is: 81,550.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,736.80 : 271,056.60 = 54,376.80 : x
  2. Step 2: Convert to fraction form
    180,736.80/271,056.60 = 54,376.80/x
  3. Step 3: Cross multiply
    180,736.80x = 271,056.60 × 54,376.80
  4. Step 4: Simplify right side
    180,736.80x = 14,739,190,526.88
  5. Step 5: Solve for x
    x = 14,739,190,526.88/180,736.80
  6. Step 6: Final answer
    x = 81,550.58

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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.