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Finding the Fourth Proportional to 382,181.88, 573,274.20 and 115,944.72

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Solution

The fourth proportional to 382,181.88, 573,274.20 and 115,944.72 is: 173,917.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,181.88 : 573,274.20 = 115,944.72 : x
  2. Step 2: Convert to fraction form
    382,181.88/573,274.20 = 115,944.72/x
  3. Step 3: Cross multiply
    382,181.88x = 573,274.20 × 115,944.72
  4. Step 4: Simplify right side
    382,181.88x = 66,468,116,602.22
  5. Step 5: Solve for x
    x = 66,468,116,602.22/382,181.88
  6. Step 6: Final answer
    x = 173,917.50

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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.