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Finding the Fourth Proportional to 80,528.96, 120,754.51 and 29,893.07

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Solution

The fourth proportional to 80,528.96, 120,754.51 and 29,893.07 is: 44,825.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,528.96 : 120,754.51 = 29,893.07 : x
  2. Step 2: Convert to fraction form
    80,528.96/120,754.51 = 29,893.07/x
  3. Step 3: Cross multiply
    80,528.96x = 120,754.51 × 29,893.07
  4. Step 4: Simplify right side
    80,528.96x = 3,609,723,247.40
  5. Step 5: Solve for x
    x = 3,609,723,247.40/80,528.96
  6. Step 6: Final answer
    x = 44,825.16

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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.