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Finding the Fourth Proportional to 180,197.60, 269,907.60 and 149,093.60

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Solution

The fourth proportional to 180,197.60, 269,907.60 and 149,093.60 is: 223,318.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,197.60 : 269,907.60 = 149,093.60 : x
  2. Step 2: Convert to fraction form
    180,197.60/269,907.60 = 149,093.60/x
  3. Step 3: Cross multiply
    180,197.60x = 269,907.60 × 149,093.60
  4. Step 4: Simplify right side
    180,197.60x = 40,241,495,751.36
  5. Step 5: Solve for x
    x = 40,241,495,751.36/180,197.60
  6. Step 6: Final answer
    x = 223,318.71

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1.5x scale

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.