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Finding the Fourth Proportional to 180,625.95, 270,976.59 and 54,261.09

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Solution

The fourth proportional to 180,625.95, 270,976.59 and 54,261.09 is: 81,402.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,625.95 : 270,976.59 = 54,261.09 : x
  2. Step 2: Convert to fraction form
    180,625.95/270,976.59 = 54,261.09/x
  3. Step 3: Cross multiply
    180,625.95x = 270,976.59 × 54,261.09
  4. Step 4: Simplify right side
    180,625.95x = 14,703,485,137.88
  5. Step 5: Solve for x
    x = 14,703,485,137.88/180,625.95
  6. Step 6: Final answer
    x = 81,402.95

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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.