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Finding the Fourth Proportional to 271,551.06, 407,326.56 and 84,577.14

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Solution

The fourth proportional to 271,551.06, 407,326.56 and 84,577.14 is: 126,865.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,551.06 : 407,326.56 = 84,577.14 : x
  2. Step 2: Convert to fraction form
    271,551.06/407,326.56 = 84,577.14/x
  3. Step 3: Cross multiply
    271,551.06x = 407,326.56 × 84,577.14
  4. Step 4: Simplify right side
    271,551.06x = 34,450,515,490.84
  5. Step 5: Solve for x
    x = 34,450,515,490.84/271,551.06
  6. Step 6: Final answer
    x = 126,865.70

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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.