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Finding the Fourth Proportional to 79,064.93, 118,644.18 and 29,179.77

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Solution

The fourth proportional to 79,064.93, 118,644.18 and 29,179.77 is: 43,786.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,064.93 : 118,644.18 = 29,179.77 : x
  2. Step 2: Convert to fraction form
    79,064.93/118,644.18 = 29,179.77/x
  3. Step 3: Cross multiply
    79,064.93x = 118,644.18 × 29,179.77
  4. Step 4: Simplify right side
    79,064.93x = 3,462,009,329.90
  5. Step 5: Solve for x
    x = 3,462,009,329.90/79,064.93
  6. Step 6: Final answer
    x = 43,786.91

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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.