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Finding the Fourth Proportional to 168,328, 232,297.50 and 92,881.36

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Solution

The fourth proportional to 168,328, 232,297.50 and 92,881.36 is: 128,178.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,328 : 232,297.50 = 92,881.36 : x
  2. Step 2: Convert to fraction form
    168,328/232,297.50 = 92,881.36/x
  3. Step 3: Cross multiply
    168,328x = 232,297.50 × 92,881.36
  4. Step 4: Simplify right side
    168,328x = 21,576,107,724.60
  5. Step 5: Solve for x
    x = 21,576,107,724.60/168,328
  6. Step 6: Final answer
    x = 128,178.96

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.