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Finding the Fourth Proportional to 73,175.80, 109,747.26 and 43,602.04

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Solution

The fourth proportional to 73,175.80, 109,747.26 and 43,602.04 is: 65,393.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,175.80 : 109,747.26 = 43,602.04 : x
  2. Step 2: Convert to fraction form
    73,175.80/109,747.26 = 43,602.04/x
  3. Step 3: Cross multiply
    73,175.80x = 109,747.26 × 43,602.04
  4. Step 4: Simplify right side
    73,175.80x = 4,785,204,420.41
  5. Step 5: Solve for x
    x = 4,785,204,420.41/73,175.80
  6. Step 6: Final answer
    x = 65,393.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.