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Finding the Fourth Proportional to 270,707.85, 373,572.30 and 149,846.54

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Solution

The fourth proportional to 270,707.85, 373,572.30 and 149,846.54 is: 206,785.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,707.85 : 373,572.30 = 149,846.54 : x
  2. Step 2: Convert to fraction form
    270,707.85/373,572.30 = 149,846.54/x
  3. Step 3: Cross multiply
    270,707.85x = 373,572.30 × 149,846.54
  4. Step 4: Simplify right side
    270,707.85x = 55,978,516,594.84
  5. Step 5: Solve for x
    x = 55,978,516,594.84/270,707.85
  6. Step 6: Final answer
    x = 206,785.72

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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.