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Finding the Fourth Proportional to 183,797,769.60, 275,318,740.80 and 126,354,902.40

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Solution

The fourth proportional to 183,797,769.60, 275,318,740.80 and 126,354,902.40 is: 189,272,550.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,797,769.60 : 275,318,740.80 = 126,354,902.40 : x
  2. Step 2: Convert to fraction form
    183,797,769.60/275,318,740.80 = 126,354,902.40/x
  3. Step 3: Cross multiply
    183,797,769.60x = 275,318,740.80 × 126,354,902.40
  4. Step 4: Simplify right side
    183,797,769.60x = 34,787,872,622,674,900
  5. Step 5: Solve for x
    x = 34,787,872,622,674,900/183,797,769.60
  6. Step 6: Final answer
    x = 189,272,550.47

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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.