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Finding the Fourth Proportional to 79,197.54, 118,814.04 and 26,605.59

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Solution

The fourth proportional to 79,197.54, 118,814.04 and 26,605.59 is: 39,914.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,197.54 : 118,814.04 = 26,605.59 : x
  2. Step 2: Convert to fraction form
    79,197.54/118,814.04 = 26,605.59/x
  3. Step 3: Cross multiply
    79,197.54x = 118,814.04 × 26,605.59
  4. Step 4: Simplify right side
    79,197.54x = 3,161,117,998.03
  5. Step 5: Solve for x
    x = 3,161,117,998.03/79,197.54
  6. Step 6: Final answer
    x = 39,914.34

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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.