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Finding the Fourth Proportional to 171,028.19, 255,289.77 and 150,828.01

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Solution

The fourth proportional to 171,028.19, 255,289.77 and 150,828.01 is: 225,137.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,028.19 : 255,289.77 = 150,828.01 : x
  2. Step 2: Convert to fraction form
    171,028.19/255,289.77 = 150,828.01/x
  3. Step 3: Cross multiply
    171,028.19x = 255,289.77 × 150,828.01
  4. Step 4: Simplify right side
    171,028.19x = 38,504,847,344.23
  5. Step 5: Solve for x
    x = 38,504,847,344.23/171,028.19
  6. Step 6: Final answer
    x = 225,137.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.