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Finding the Fourth Proportional to 254,068.39, 380,770.36 and 104,133.13

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Solution

The fourth proportional to 254,068.39, 380,770.36 and 104,133.13 is: 156,063.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,068.39 : 380,770.36 = 104,133.13 : x
  2. Step 2: Convert to fraction form
    254,068.39/380,770.36 = 104,133.13/x
  3. Step 3: Cross multiply
    254,068.39x = 380,770.36 × 104,133.13
  4. Step 4: Simplify right side
    254,068.39x = 39,650,809,398.03
  5. Step 5: Solve for x
    x = 39,650,809,398.03/254,068.39
  6. Step 6: Final answer
    x = 156,063.53

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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.