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Finding the Fourth Proportional to 156,974.40, 235,461.60 and 150,850.80

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Solution

The fourth proportional to 156,974.40, 235,461.60 and 150,850.80 is: 226,276.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,974.40 : 235,461.60 = 150,850.80 : x
  2. Step 2: Convert to fraction form
    156,974.40/235,461.60 = 150,850.80/x
  3. Step 3: Cross multiply
    156,974.40x = 235,461.60 × 150,850.80
  4. Step 4: Simplify right side
    156,974.40x = 35,519,570,729.28
  5. Step 5: Solve for x
    x = 35,519,570,729.28/156,974.40
  6. Step 6: Final answer
    x = 226,276.20

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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.