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Finding the Fourth Proportional to 80,491.86, 111,069.63 and 44,683.38

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Solution

The fourth proportional to 80,491.86, 111,069.63 and 44,683.38 is: 61,657.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,491.86 : 111,069.63 = 44,683.38 : x
  2. Step 2: Convert to fraction form
    80,491.86/111,069.63 = 44,683.38/x
  3. Step 3: Cross multiply
    80,491.86x = 111,069.63 × 44,683.38
  4. Step 4: Simplify right side
    80,491.86x = 4,962,966,483.75
  5. Step 5: Solve for x
    x = 4,962,966,483.75/80,491.86
  6. Step 6: Final answer
    x = 61,657.99

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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.