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Finding the Fourth Proportional to 73,836.03, 101,893.72 and 40,302.03

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Solution

The fourth proportional to 73,836.03, 101,893.72 and 40,302.03 is: 55,616.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,836.03 : 101,893.72 = 40,302.03 : x
  2. Step 2: Convert to fraction form
    73,836.03/101,893.72 = 40,302.03/x
  3. Step 3: Cross multiply
    73,836.03x = 101,893.72 × 40,302.03
  4. Step 4: Simplify right side
    73,836.03x = 4,106,523,760.25
  5. Step 5: Solve for x
    x = 4,106,523,760.25/73,836.03
  6. Step 6: Final answer
    x = 55,616.80

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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.