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Finding the Fourth Proportional to 79,079.44, 118,620.53 and 29,133.83

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Solution

The fourth proportional to 79,079.44, 118,620.53 and 29,133.83 is: 43,701.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,079.44 : 118,620.53 = 29,133.83 : x
  2. Step 2: Convert to fraction form
    79,079.44/118,620.53 = 29,133.83/x
  3. Step 3: Cross multiply
    79,079.44x = 118,620.53 × 29,133.83
  4. Step 4: Simplify right side
    79,079.44x = 3,455,869,866.48
  5. Step 5: Solve for x
    x = 3,455,869,866.48/79,079.44
  6. Step 6: Final answer
    x = 43,701.24

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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.