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Finding the Fourth Proportional to 79,261.43, 118,943.67 and 34,326.68

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Solution

The fourth proportional to 79,261.43, 118,943.67 and 34,326.68 is: 51,512.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,261.43 : 118,943.67 = 34,326.68 : x
  2. Step 2: Convert to fraction form
    79,261.43/118,943.67 = 34,326.68/x
  3. Step 3: Cross multiply
    79,261.43x = 118,943.67 × 34,326.68
  4. Step 4: Simplify right side
    79,261.43x = 4,082,941,298.12
  5. Step 5: Solve for x
    x = 4,082,941,298.12/79,261.43
  6. Step 6: Final answer
    x = 51,512.33

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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.