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Finding the Fourth Proportional to 79,465.59, 119,081.75 and 39,968.37

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Solution

The fourth proportional to 79,465.59, 119,081.75 and 39,968.37 is: 59,893.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,465.59 : 119,081.75 = 39,968.37 : x
  2. Step 2: Convert to fraction form
    79,465.59/119,081.75 = 39,968.37/x
  3. Step 3: Cross multiply
    79,465.59x = 119,081.75 × 39,968.37
  4. Step 4: Simplify right side
    79,465.59x = 4,759,503,244.41
  5. Step 5: Solve for x
    x = 4,759,503,244.41/79,465.59
  6. Step 6: Final answer
    x = 59,893.89

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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.