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Finding the Fourth Proportional to 79,284.96, 118,851.18 and 29,351.52

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Solution

The fourth proportional to 79,284.96, 118,851.18 and 29,351.52 is: 43,999.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,284.96 : 118,851.18 = 29,351.52 : x
  2. Step 2: Convert to fraction form
    79,284.96/118,851.18 = 29,351.52/x
  3. Step 3: Cross multiply
    79,284.96x = 118,851.18 × 29,351.52
  4. Step 4: Simplify right side
    79,284.96x = 3,488,462,786.79
  5. Step 5: Solve for x
    x = 3,488,462,786.79/79,284.96
  6. Step 6: Final answer
    x = 43,999.05

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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.