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Finding the Fourth Proportional to 79,894.62, 119,750.90 and 49,922.73

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Solution

The fourth proportional to 79,894.62, 119,750.90 and 49,922.73 is: 74,827.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,894.62 : 119,750.90 = 49,922.73 : x
  2. Step 2: Convert to fraction form
    79,894.62/119,750.90 = 49,922.73/x
  3. Step 3: Cross multiply
    79,894.62x = 119,750.90 × 49,922.73
  4. Step 4: Simplify right side
    79,894.62x = 5,978,291,598.34
  5. Step 5: Solve for x
    x = 5,978,291,598.34/79,894.62
  6. Step 6: Final answer
    x = 74,827.21

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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.