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Finding the Fourth Proportional to 193,361,945.60, 289,617,765.60 and 167,852,777.60

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Solution

The fourth proportional to 193,361,945.60, 289,617,765.60 and 167,852,777.60 is: 251,410,101.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,361,945.60 : 289,617,765.60 = 167,852,777.60 : x
  2. Step 2: Convert to fraction form
    193,361,945.60/289,617,765.60 = 167,852,777.60/x
  3. Step 3: Cross multiply
    193,361,945.60x = 289,617,765.60 × 167,852,777.60
  4. Step 4: Simplify right side
    193,361,945.60x = 48,613,146,398,265,736
  5. Step 5: Solve for x
    x = 48,613,146,398,265,736/193,361,945.60
  6. Step 6: Final answer
    x = 251,410,101.65

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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.