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Finding the Fourth Proportional to 70,658,245.14, 105,987,359.07 and 22,789,189.14

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Solution

The fourth proportional to 70,658,245.14, 105,987,359.07 and 22,789,189.14 is: 34,183,780.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,658,245.14 : 105,987,359.07 = 22,789,189.14 : x
  2. Step 2: Convert to fraction form
    70,658,245.14/105,987,359.07 = 22,789,189.14/x
  3. Step 3: Cross multiply
    70,658,245.14x = 105,987,359.07 × 22,789,189.14
  4. Step 4: Simplify right side
    70,658,245.14x = 2,415,365,972,295,324.50
  5. Step 5: Solve for x
    x = 2,415,365,972,295,324.50/70,658,245.14
  6. Step 6: Final answer
    x = 34,183,780.92

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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.