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Finding the Fourth Proportional to 144,887.58, 199,949.04 and 81,226.44

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Solution

The fourth proportional to 144,887.58, 199,949.04 and 81,226.44 is: 112,094.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,887.58 : 199,949.04 = 81,226.44 : x
  2. Step 2: Convert to fraction form
    144,887.58/199,949.04 = 81,226.44/x
  3. Step 3: Cross multiply
    144,887.58x = 199,949.04 × 81,226.44
  4. Step 4: Simplify right side
    144,887.58x = 16,241,148,700.62
  5. Step 5: Solve for x
    x = 16,241,148,700.62/144,887.58
  6. Step 6: Final answer
    x = 112,094.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.