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Finding the Fourth Proportional to 167,022, 230,490.40 and 91,571.04

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Solution

The fourth proportional to 167,022, 230,490.40 and 91,571.04 is: 126,368.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,022 : 230,490.40 = 91,571.04 : x
  2. Step 2: Convert to fraction form
    167,022/230,490.40 = 91,571.04/x
  3. Step 3: Cross multiply
    167,022x = 230,490.40 × 91,571.04
  4. Step 4: Simplify right side
    167,022x = 21,106,245,638.02
  5. Step 5: Solve for x
    x = 21,106,245,638.02/167,022
  6. Step 6: Final answer
    x = 126,368.06

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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.