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Finding the Fourth Proportional to 79,368.36, 109,528.00 and 43,558.97

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Solution

The fourth proportional to 79,368.36, 109,528.00 and 43,558.97 is: 60,111.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,368.36 : 109,528.00 = 43,558.97 : x
  2. Step 2: Convert to fraction form
    79,368.36/109,528.00 = 43,558.97/x
  3. Step 3: Cross multiply
    79,368.36x = 109,528.00 × 43,558.97
  4. Step 4: Simplify right side
    79,368.36x = 4,770,926,209.62
  5. Step 5: Solve for x
    x = 4,770,926,209.62/79,368.36
  6. Step 6: Final answer
    x = 60,111.19

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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.