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Finding the Fourth Proportional to 79,141.96, 109,211.72 and 43,325.08

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Solution

The fourth proportional to 79,141.96, 109,211.72 and 43,325.08 is: 59,786.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,141.96 : 109,211.72 = 43,325.08 : x
  2. Step 2: Convert to fraction form
    79,141.96/109,211.72 = 43,325.08/x
  3. Step 3: Cross multiply
    79,141.96x = 109,211.72 × 43,325.08
  4. Step 4: Simplify right side
    79,141.96x = 4,731,606,505.94
  5. Step 5: Solve for x
    x = 4,731,606,505.94/79,141.96
  6. Step 6: Final answer
    x = 59,786.32

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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.