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Finding the Fourth Proportional to 79,241.37, 118,851.65 and 39,244.79

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Solution

The fourth proportional to 79,241.37, 118,851.65 and 39,244.79 is: 58,862.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,241.37 : 118,851.65 = 39,244.79 : x
  2. Step 2: Convert to fraction form
    79,241.37/118,851.65 = 39,244.79/x
  3. Step 3: Cross multiply
    79,241.37x = 118,851.65 × 39,244.79
  4. Step 4: Simplify right side
    79,241.37x = 4,664,307,845.69
  5. Step 5: Solve for x
    x = 4,664,307,845.69/79,241.37
  6. Step 6: Final answer
    x = 58,862.03

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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.