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Finding the Fourth Proportional to 270,312.56, 373,023.90 and 149,458.94

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Solution

The fourth proportional to 270,312.56, 373,023.90 and 149,458.94 is: 206,249.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,312.56 : 373,023.90 = 149,458.94 : x
  2. Step 2: Convert to fraction form
    270,312.56/373,023.90 = 149,458.94/x
  3. Step 3: Cross multiply
    270,312.56x = 373,023.90 × 149,458.94
  4. Step 4: Simplify right side
    270,312.56x = 55,751,754,823.55
  5. Step 5: Solve for x
    x = 55,751,754,823.55/270,312.56
  6. Step 6: Final answer
    x = 206,249.22

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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.