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Finding the Fourth Proportional to 80,068.98, 120,063.75 and 46,797.42

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Solution

The fourth proportional to 80,068.98, 120,063.75 and 46,797.42 is: 70,172.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,068.98 : 120,063.75 = 46,797.42 : x
  2. Step 2: Convert to fraction form
    80,068.98/120,063.75 = 46,797.42/x
  3. Step 3: Cross multiply
    80,068.98x = 120,063.75 × 46,797.42
  4. Step 4: Simplify right side
    80,068.98x = 5,618,673,735.53
  5. Step 5: Solve for x
    x = 5,618,673,735.53/80,068.98
  6. Step 6: Final answer
    x = 70,172.92

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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.