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Finding the Fourth Proportional to 229,054.25, 343,603.25 and 71,240.33

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Solution

The fourth proportional to 229,054.25, 343,603.25 and 71,240.33 is: 106,867.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,054.25 : 343,603.25 = 71,240.33 : x
  2. Step 2: Convert to fraction form
    229,054.25/343,603.25 = 71,240.33/x
  3. Step 3: Cross multiply
    229,054.25x = 343,603.25 × 71,240.33
  4. Step 4: Simplify right side
    229,054.25x = 24,478,408,919.07
  5. Step 5: Solve for x
    x = 24,478,408,919.07/229,054.25
  6. Step 6: Final answer
    x = 106,867.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.