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Finding the Fourth Proportional to 69,195.60, 103,741.11 and 29,226.96

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Solution

The fourth proportional to 69,195.60, 103,741.11 and 29,226.96 is: 43,818.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,195.60 : 103,741.11 = 29,226.96 : x
  2. Step 2: Convert to fraction form
    69,195.60/103,741.11 = 29,226.96/x
  3. Step 3: Cross multiply
    69,195.60x = 103,741.11 × 29,226.96
  4. Step 4: Simplify right side
    69,195.60x = 3,032,037,272.33
  5. Step 5: Solve for x
    x = 3,032,037,272.33/69,195.60
  6. Step 6: Final answer
    x = 43,818.35

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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.