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Finding the Fourth Proportional to 219,375.36, 302,738.94 and 118,773.36

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Solution

The fourth proportional to 219,375.36, 302,738.94 and 118,773.36 is: 163,907.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,375.36 : 302,738.94 = 118,773.36 : x
  2. Step 2: Convert to fraction form
    219,375.36/302,738.94 = 118,773.36/x
  3. Step 3: Cross multiply
    219,375.36x = 302,738.94 × 118,773.36
  4. Step 4: Simplify right side
    219,375.36x = 35,957,321,106.64
  5. Step 5: Solve for x
    x = 35,957,321,106.64/219,375.36
  6. Step 6: Final answer
    x = 163,907.75

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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.