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Finding the Fourth Proportional to 133,605.67, 184,376.00 and 72,351.96

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Solution

The fourth proportional to 133,605.67, 184,376.00 and 72,351.96 is: 99,845.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,605.67 : 184,376.00 = 72,351.96 : x
  2. Step 2: Convert to fraction form
    133,605.67/184,376.00 = 72,351.96/x
  3. Step 3: Cross multiply
    133,605.67x = 184,376.00 × 72,351.96
  4. Step 4: Simplify right side
    133,605.67x = 13,339,964,615.20
  5. Step 5: Solve for x
    x = 13,339,964,615.20/133,605.67
  6. Step 6: Final answer
    x = 99,845.80

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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.