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Finding the Fourth Proportional to 179,738.40, 269,132.40 and 144,033.60

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Solution

The fourth proportional to 179,738.40, 269,132.40 and 144,033.60 is: 215,669.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,738.40 : 269,132.40 = 144,033.60 : x
  2. Step 2: Convert to fraction form
    179,738.40/269,132.40 = 144,033.60/x
  3. Step 3: Cross multiply
    179,738.40x = 269,132.40 × 144,033.60
  4. Step 4: Simplify right side
    179,738.40x = 38,764,108,448.64
  5. Step 5: Solve for x
    x = 38,764,108,448.64/179,738.40
  6. Step 6: Final answer
    x = 215,669.60

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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.