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Finding the Fourth Proportional to 61,801.01, 85,286.05 and 36,308.44

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Solution

The fourth proportional to 61,801.01, 85,286.05 and 36,308.44 is: 50,106.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,801.01 : 85,286.05 = 36,308.44 : x
  2. Step 2: Convert to fraction form
    61,801.01/85,286.05 = 36,308.44/x
  3. Step 3: Cross multiply
    61,801.01x = 85,286.05 × 36,308.44
  4. Step 4: Simplify right side
    61,801.01x = 3,096,603,429.26
  5. Step 5: Solve for x
    x = 3,096,603,429.26/61,801.01
  6. Step 6: Final answer
    x = 50,106.03

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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.