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Finding the Fourth Proportional to 104,089, 156,137.82 and 30,217

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Solution

The fourth proportional to 104,089, 156,137.82 and 30,217 is: 45,326.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,089 : 156,137.82 = 30,217 : x
  2. Step 2: Convert to fraction form
    104,089/156,137.82 = 30,217/x
  3. Step 3: Cross multiply
    104,089x = 156,137.82 × 30,217
  4. Step 4: Simplify right side
    104,089x = 4,718,016,506.94
  5. Step 5: Solve for x
    x = 4,718,016,506.94/104,089
  6. Step 6: Final answer
    x = 45,326.75

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