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Finding the Fourth Proportional to 80,402.96, 110,954.12 and 44,592.72

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Solution

The fourth proportional to 80,402.96, 110,954.12 and 44,592.72 is: 61,536.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,402.96 : 110,954.12 = 44,592.72 : x
  2. Step 2: Convert to fraction form
    80,402.96/110,954.12 = 44,592.72/x
  3. Step 3: Cross multiply
    80,402.96x = 110,954.12 × 44,592.72
  4. Step 4: Simplify right side
    80,402.96x = 4,947,746,006.01
  5. Step 5: Solve for x
    x = 4,947,746,006.01/80,402.96
  6. Step 6: Final answer
    x = 61,536.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.