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Finding the Fourth Proportional to 80,323.44, 120,495.40 and 26,992.53

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Solution

The fourth proportional to 80,323.44, 120,495.40 and 26,992.53 is: 40,492.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,323.44 : 120,495.40 = 26,992.53 : x
  2. Step 2: Convert to fraction form
    80,323.44/120,495.40 = 26,992.53/x
  3. Step 3: Cross multiply
    80,323.44x = 120,495.40 × 26,992.53
  4. Step 4: Simplify right side
    80,323.44x = 3,252,475,699.36
  5. Step 5: Solve for x
    x = 3,252,475,699.36/80,323.44
  6. Step 6: Final answer
    x = 40,492.24

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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.