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Finding the Fourth Proportional to 197,230.80, 295,408.80 and 118,498.80

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Solution

The fourth proportional to 197,230.80, 295,408.80 and 118,498.80 is: 177,485.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,230.80 : 295,408.80 = 118,498.80 : x
  2. Step 2: Convert to fraction form
    197,230.80/295,408.80 = 118,498.80/x
  3. Step 3: Cross multiply
    197,230.80x = 295,408.80 × 118,498.80
  4. Step 4: Simplify right side
    197,230.80x = 35,005,588,309.44
  5. Step 5: Solve for x
    x = 35,005,588,309.44/197,230.80
  6. Step 6: Final answer
    x = 177,485.40

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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.