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Finding the Fourth Proportional to 270,078.55, 372,676.59 and 149,212.63

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Solution

The fourth proportional to 270,078.55, 372,676.59 and 149,212.63 is: 205,895.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,078.55 : 372,676.59 = 149,212.63 : x
  2. Step 2: Convert to fraction form
    270,078.55/372,676.59 = 149,212.63/x
  3. Step 3: Cross multiply
    270,078.55x = 372,676.59 × 149,212.63
  4. Step 4: Simplify right side
    270,078.55x = 55,608,054,133.33
  5. Step 5: Solve for x
    x = 55,608,054,133.33/270,078.55
  6. Step 6: Final answer
    x = 205,895.86

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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.