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Finding the Fourth Proportional to 197,128.80, 295,255.80 and 170,884.80

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Solution

The fourth proportional to 197,128.80, 295,255.80 and 170,884.80 is: 255,948.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,128.80 : 295,255.80 = 170,884.80 : x
  2. Step 2: Convert to fraction form
    197,128.80/295,255.80 = 170,884.80/x
  3. Step 3: Cross multiply
    197,128.80x = 295,255.80 × 170,884.80
  4. Step 4: Simplify right side
    197,128.80x = 50,454,728,331.84
  5. Step 5: Solve for x
    x = 50,454,728,331.84/197,128.80
  6. Step 6: Final answer
    x = 255,948.03

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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.