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Finding the Fourth Proportional to 322,136.58, 483,204.27 and 85,460.66

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Solution

The fourth proportional to 322,136.58, 483,204.27 and 85,460.66 is: 128,190.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,136.58 : 483,204.27 = 85,460.66 : x
  2. Step 2: Convert to fraction form
    322,136.58/483,204.27 = 85,460.66/x
  3. Step 3: Cross multiply
    322,136.58x = 483,204.27 × 85,460.66
  4. Step 4: Simplify right side
    322,136.58x = 41,294,953,413.00
  5. Step 5: Solve for x
    x = 41,294,953,413.00/322,136.58
  6. Step 6: Final answer
    x = 128,190.82

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.