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Finding the Fourth Proportional to 229,617.86, 344,583.53 and 79,856.66

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Solution

The fourth proportional to 229,617.86, 344,583.53 and 79,856.66 is: 119,839.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,617.86 : 344,583.53 = 79,856.66 : x
  2. Step 2: Convert to fraction form
    229,617.86/344,583.53 = 79,856.66/x
  3. Step 3: Cross multiply
    229,617.86x = 344,583.53 × 79,856.66
  4. Step 4: Simplify right side
    229,617.86x = 27,517,289,796.81
  5. Step 5: Solve for x
    x = 27,517,289,796.81/229,617.86
  6. Step 6: Final answer
    x = 119,839.50

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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.