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Finding the Fourth Proportional to 79,216.87, 118,838.52 and 29,297.08

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Solution

The fourth proportional to 79,216.87, 118,838.52 and 29,297.08 is: 43,950.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,216.87 : 118,838.52 = 29,297.08 : x
  2. Step 2: Convert to fraction form
    79,216.87/118,838.52 = 29,297.08/x
  3. Step 3: Cross multiply
    79,216.87x = 118,838.52 × 29,297.08
  4. Step 4: Simplify right side
    79,216.87x = 3,481,621,627.52
  5. Step 5: Solve for x
    x = 3,481,621,627.52/79,216.87
  6. Step 6: Final answer
    x = 43,950.51

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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.