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Finding the Fourth Proportional to 125,946,629.60, 188,919,944.40 and 125,946,629.60

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Solution

The fourth proportional to 125,946,629.60, 188,919,944.40 and 125,946,629.60 is: 188,919,944.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,946,629.60 : 188,919,944.40 = 125,946,629.60 : x
  2. Step 2: Convert to fraction form
    125,946,629.60/188,919,944.40 = 125,946,629.60/x
  3. Step 3: Cross multiply
    125,946,629.60x = 188,919,944.40 × 125,946,629.60
  4. Step 4: Simplify right side
    125,946,629.60x = 23,793,830,261,399,392
  5. Step 5: Solve for x
    x = 23,793,830,261,399,392/125,946,629.60
  6. Step 6: Final answer
    x = 188,919,944.40

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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.