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Finding the Fourth Proportional to 66,683.37, 100,077.64 and 29,269.27

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Solution

The fourth proportional to 66,683.37, 100,077.64 and 29,269.27 is: 43,926.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,683.37 : 100,077.64 = 29,269.27 : x
  2. Step 2: Convert to fraction form
    66,683.37/100,077.64 = 29,269.27/x
  3. Step 3: Cross multiply
    66,683.37x = 100,077.64 × 29,269.27
  4. Step 4: Simplify right side
    66,683.37x = 2,929,199,466.12
  5. Step 5: Solve for x
    x = 2,929,199,466.12/66,683.37
  6. Step 6: Final answer
    x = 43,926.99

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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.