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Finding the Fourth Proportional to 88,682.30, 133,035.60 and 29,511.80

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Solution

The fourth proportional to 88,682.30, 133,035.60 and 29,511.80 is: 44,271.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,682.30 : 133,035.60 = 29,511.80 : x
  2. Step 2: Convert to fraction form
    88,682.30/133,035.60 = 29,511.80/x
  3. Step 3: Cross multiply
    88,682.30x = 133,035.60 × 29,511.80
  4. Step 4: Simplify right side
    88,682.30x = 3,926,120,020.08
  5. Step 5: Solve for x
    x = 3,926,120,020.08/88,682.30
  6. Step 6: Final answer
    x = 44,271.74

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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.