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Finding the Fourth Proportional to 79,263.69, 118,860.97 and 29,981.13

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Solution

The fourth proportional to 79,263.69, 118,860.97 and 29,981.13 is: 44,958.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,263.69 : 118,860.97 = 29,981.13 : x
  2. Step 2: Convert to fraction form
    79,263.69/118,860.97 = 29,981.13/x
  3. Step 3: Cross multiply
    79,263.69x = 118,860.97 × 29,981.13
  4. Step 4: Simplify right side
    79,263.69x = 3,563,586,193.50
  5. Step 5: Solve for x
    x = 3,563,586,193.50/79,263.69
  6. Step 6: Final answer
    x = 44,958.62

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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.