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Finding the Fourth Proportional to 254,348.73, 381,701.70 and 104,725.13

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Solution

The fourth proportional to 254,348.73, 381,701.70 and 104,725.13 is: 157,161.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,348.73 : 381,701.70 = 104,725.13 : x
  2. Step 2: Convert to fraction form
    254,348.73/381,701.70 = 104,725.13/x
  3. Step 3: Cross multiply
    254,348.73x = 381,701.70 × 104,725.13
  4. Step 4: Simplify right side
    254,348.73x = 39,973,758,245.21
  5. Step 5: Solve for x
    x = 39,973,758,245.21/254,348.73
  6. Step 6: Final answer
    x = 157,161.23

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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.