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Finding the Fourth Proportional to 79,175.34, 109,265.22 and 43,368.48

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Solution

The fourth proportional to 79,175.34, 109,265.22 and 43,368.48 is: 59,850.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,175.34 : 109,265.22 = 43,368.48 : x
  2. Step 2: Convert to fraction form
    79,175.34/109,265.22 = 43,368.48/x
  3. Step 3: Cross multiply
    79,175.34x = 109,265.22 × 43,368.48
  4. Step 4: Simplify right side
    79,175.34x = 4,738,666,508.27
  5. Step 5: Solve for x
    x = 4,738,666,508.27/79,175.34
  6. Step 6: Final answer
    x = 59,850.28

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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.