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Finding the Fourth Proportional to 171,321.98, 236,427.19 and 93,804.39

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Solution

The fourth proportional to 171,321.98, 236,427.19 and 93,804.39 is: 129,451.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,321.98 : 236,427.19 = 93,804.39 : x
  2. Step 2: Convert to fraction form
    171,321.98/236,427.19 = 93,804.39/x
  3. Step 3: Cross multiply
    171,321.98x = 236,427.19 × 93,804.39
  4. Step 4: Simplify right side
    171,321.98x = 22,177,908,102.85
  5. Step 5: Solve for x
    x = 22,177,908,102.85/171,321.98
  6. Step 6: Final answer
    x = 129,451.63

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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.