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Finding the Fourth Proportional to 174,326.98, 261,243.26 and 73,015.88

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Solution

The fourth proportional to 174,326.98, 261,243.26 and 73,015.88 is: 109,420.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,326.98 : 261,243.26 = 73,015.88 : x
  2. Step 2: Convert to fraction form
    174,326.98/261,243.26 = 73,015.88/x
  3. Step 3: Cross multiply
    174,326.98x = 261,243.26 × 73,015.88
  4. Step 4: Simplify right side
    174,326.98x = 19,074,906,522.97
  5. Step 5: Solve for x
    x = 19,074,906,522.97/174,326.98
  6. Step 6: Final answer
    x = 109,420.28

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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.