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Finding the Fourth Proportional to 151,080.50, 208,495.68 and 83,093.96

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Solution

The fourth proportional to 151,080.50, 208,495.68 and 83,093.96 is: 114,672.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,080.50 : 208,495.68 = 83,093.96 : x
  2. Step 2: Convert to fraction form
    151,080.50/208,495.68 = 83,093.96/x
  3. Step 3: Cross multiply
    151,080.50x = 208,495.68 × 83,093.96
  4. Step 4: Simplify right side
    151,080.50x = 17,324,731,694.09
  5. Step 5: Solve for x
    x = 17,324,731,694.09/151,080.50
  6. Step 6: Final answer
    x = 114,672.19

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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.