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Finding the Fourth Proportional to 180,946.60, 271,419.90 and 134,290.60

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Solution

The fourth proportional to 180,946.60, 271,419.90 and 134,290.60 is: 201,435.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,946.60 : 271,419.90 = 134,290.60 : x
  2. Step 2: Convert to fraction form
    180,946.60/271,419.90 = 134,290.60/x
  3. Step 3: Cross multiply
    180,946.60x = 271,419.90 × 134,290.60
  4. Step 4: Simplify right side
    180,946.60x = 36,449,141,222.94
  5. Step 5: Solve for x
    x = 36,449,141,222.94/180,946.60
  6. Step 6: Final answer
    x = 201,435.90

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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.