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Finding the Fourth Proportional to 118,858,845.60, 166,062,261.60 and 118,858,845.60

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Solution

The fourth proportional to 118,858,845.60, 166,062,261.60 and 118,858,845.60 is: 166,062,261.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,858,845.60 : 166,062,261.60 = 118,858,845.60 : x
  2. Step 2: Convert to fraction form
    118,858,845.60/166,062,261.60 = 118,858,845.60/x
  3. Step 3: Cross multiply
    118,858,845.60x = 166,062,261.60 × 118,858,845.60
  4. Step 4: Simplify right side
    118,858,845.60x = 19,737,968,711,501,208
  5. Step 5: Solve for x
    x = 19,737,968,711,501,208/118,858,845.60
  6. Step 6: Final answer
    x = 166,062,261.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.