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Finding the Fourth Proportional to 303,806.22, 455,427.60 and 104,079.14

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Solution

The fourth proportional to 303,806.22, 455,427.60 and 104,079.14 is: 156,022.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,806.22 : 455,427.60 = 104,079.14 : x
  2. Step 2: Convert to fraction form
    303,806.22/455,427.60 = 104,079.14/x
  3. Step 3: Cross multiply
    303,806.22x = 455,427.60 × 104,079.14
  4. Step 4: Simplify right side
    303,806.22x = 47,400,512,940.26
  5. Step 5: Solve for x
    x = 47,400,512,940.26/303,806.22
  6. Step 6: Final answer
    x = 156,022.19

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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.