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Finding the Fourth Proportional to 245,266.80, 367,912.35 and 127,168.80

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Solution

The fourth proportional to 245,266.80, 367,912.35 and 127,168.80 is: 190,759.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,266.80 : 367,912.35 = 127,168.80 : x
  2. Step 2: Convert to fraction form
    245,266.80/367,912.35 = 127,168.80/x
  3. Step 3: Cross multiply
    245,266.80x = 367,912.35 × 127,168.80
  4. Step 4: Simplify right side
    245,266.80x = 46,786,972,054.68
  5. Step 5: Solve for x
    x = 46,786,972,054.68/245,266.80
  6. Step 6: Final answer
    x = 190,759.50

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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.