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Finding the Fourth Proportional to 141,773.67, 195,647.58 and 85,203.27

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Solution

The fourth proportional to 141,773.67, 195,647.58 and 85,203.27 is: 117,580.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,773.67 : 195,647.58 = 85,203.27 : x
  2. Step 2: Convert to fraction form
    141,773.67/195,647.58 = 85,203.27/x
  3. Step 3: Cross multiply
    141,773.67x = 195,647.58 × 85,203.27
  4. Step 4: Simplify right side
    141,773.67x = 16,669,813,583.59
  5. Step 5: Solve for x
    x = 16,669,813,583.59/141,773.67
  6. Step 6: Final answer
    x = 117,580.46

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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.