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Finding the Fourth Proportional to 79,231.86, 118,849.87 and 23,069.70

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Solution

The fourth proportional to 79,231.86, 118,849.87 and 23,069.70 is: 34,605.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,231.86 : 118,849.87 = 23,069.70 : x
  2. Step 2: Convert to fraction form
    79,231.86/118,849.87 = 23,069.70/x
  3. Step 3: Cross multiply
    79,231.86x = 118,849.87 × 23,069.70
  4. Step 4: Simplify right side
    79,231.86x = 2,741,830,845.94
  5. Step 5: Solve for x
    x = 2,741,830,845.94/79,231.86
  6. Step 6: Final answer
    x = 34,605.16

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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.