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Finding the Fourth Proportional to 270,603.87, 373,427.75 and 149,745.08

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Solution

The fourth proportional to 270,603.87, 373,427.75 and 149,745.08 is: 206,645.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,603.87 : 373,427.75 = 149,745.08 : x
  2. Step 2: Convert to fraction form
    270,603.87/373,427.75 = 149,745.08/x
  3. Step 3: Cross multiply
    270,603.87x = 373,427.75 × 149,745.08
  4. Step 4: Simplify right side
    270,603.87x = 55,918,965,682.11
  5. Step 5: Solve for x
    x = 55,918,965,682.11/270,603.87
  6. Step 6: Final answer
    x = 206,645.11

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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.