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Finding the Fourth Proportional to 158,554.44, 218,811.96 and 94,879.98

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Solution

The fourth proportional to 158,554.44, 218,811.96 and 94,879.98 is: 130,938.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,554.44 : 218,811.96 = 94,879.98 : x
  2. Step 2: Convert to fraction form
    158,554.44/218,811.96 = 94,879.98/x
  3. Step 3: Cross multiply
    158,554.44x = 218,811.96 × 94,879.98
  4. Step 4: Simplify right side
    158,554.44x = 20,760,874,388.56
  5. Step 5: Solve for x
    x = 20,760,874,388.56/158,554.44
  6. Step 6: Final answer
    x = 130,938.46

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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.