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Finding the Fourth Proportional to 167,380, 230,928.21 and 94,772.98

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Solution

The fourth proportional to 167,380, 230,928.21 and 94,772.98 is: 130,754.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,380 : 230,928.21 = 94,772.98 : x
  2. Step 2: Convert to fraction form
    167,380/230,928.21 = 94,772.98/x
  3. Step 3: Cross multiply
    167,380x = 230,928.21 × 94,772.98
  4. Step 4: Simplify right side
    167,380x = 21,885,754,627.77
  5. Step 5: Solve for x
    x = 21,885,754,627.77/167,380
  6. Step 6: Final answer
    x = 130,754.90

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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.