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Finding the Fourth Proportional to 180,940.40, 271,410.60 and 169,276.40

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Solution

The fourth proportional to 180,940.40, 271,410.60 and 169,276.40 is: 253,914.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,940.40 : 271,410.60 = 169,276.40 : x
  2. Step 2: Convert to fraction form
    180,940.40/271,410.60 = 169,276.40/x
  3. Step 3: Cross multiply
    180,940.40x = 271,410.60 × 169,276.40
  4. Step 4: Simplify right side
    180,940.40x = 45,943,409,289.84
  5. Step 5: Solve for x
    x = 45,943,409,289.84/180,940.40
  6. Step 6: Final answer
    x = 253,914.60

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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.