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Finding the Fourth Proportional to 270,144.70, 372,800.84 and 147,639.58

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Solution

The fourth proportional to 270,144.70, 372,800.84 and 147,639.58 is: 203,743.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,144.70 : 372,800.84 = 147,639.58 : x
  2. Step 2: Convert to fraction form
    270,144.70/372,800.84 = 147,639.58/x
  3. Step 3: Cross multiply
    270,144.70x = 372,800.84 × 147,639.58
  4. Step 4: Simplify right side
    270,144.70x = 55,040,157,771.05
  5. Step 5: Solve for x
    x = 55,040,157,771.05/270,144.70
  6. Step 6: Final answer
    x = 203,743.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.