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Finding the Fourth Proportional to 79,225.88, 118,858.31 and 23,066.48

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Solution

The fourth proportional to 79,225.88, 118,858.31 and 23,066.48 is: 34,605.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,225.88 : 118,858.31 = 23,066.48 : x
  2. Step 2: Convert to fraction form
    79,225.88/118,858.31 = 23,066.48/x
  3. Step 3: Cross multiply
    79,225.88x = 118,858.31 × 23,066.48
  4. Step 4: Simplify right side
    79,225.88x = 2,741,642,293.82
  5. Step 5: Solve for x
    x = 2,741,642,293.82/79,225.88
  6. Step 6: Final answer
    x = 34,605.39

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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.