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Finding the Fourth Proportional to 188,082,609.60, 282,123,914.40 and 126,860,606.40

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Solution

The fourth proportional to 188,082,609.60, 282,123,914.40 and 126,860,606.40 is: 190,290,909.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,082,609.60 : 282,123,914.40 = 126,860,606.40 : x
  2. Step 2: Convert to fraction form
    188,082,609.60/282,123,914.40 = 126,860,606.40/x
  3. Step 3: Cross multiply
    188,082,609.60x = 282,123,914.40 × 126,860,606.40
  4. Step 4: Simplify right side
    188,082,609.60x = 35,790,410,860,725,692
  5. Step 5: Solve for x
    x = 35,790,410,860,725,692/188,082,609.60
  6. Step 6: Final answer
    x = 190,290,909.60

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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.