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Finding the Fourth Proportional to 169,613,383.60, 254,467,314.60 and 83,354,604.40

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Solution

The fourth proportional to 169,613,383.60, 254,467,314.60 and 83,354,604.40 is: 125,055,121.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,613,383.60 : 254,467,314.60 = 83,354,604.40 : x
  2. Step 2: Convert to fraction form
    169,613,383.60/254,467,314.60 = 83,354,604.40/x
  3. Step 3: Cross multiply
    169,613,383.60x = 254,467,314.60 × 83,354,604.40
  4. Step 4: Simplify right side
    169,613,383.60x = 21,211,022,341,213,344
  5. Step 5: Solve for x
    x = 21,211,022,341,213,344/169,613,383.60
  6. Step 6: Final answer
    x = 125,055,121.78

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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.