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Finding the Fourth Proportional to 34,867,999.80, 52,301,999.70 and 19,751,455.80

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Solution

The fourth proportional to 34,867,999.80, 52,301,999.70 and 19,751,455.80 is: 29,627,183.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,867,999.80 : 52,301,999.70 = 19,751,455.80 : x
  2. Step 2: Convert to fraction form
    34,867,999.80/52,301,999.70 = 19,751,455.80/x
  3. Step 3: Cross multiply
    34,867,999.80x = 52,301,999.70 × 19,751,455.80
  4. Step 4: Simplify right side
    34,867,999.80x = 1,033,040,635,326,163.38
  5. Step 5: Solve for x
    x = 1,033,040,635,326,163.38/34,867,999.80
  6. Step 6: Final answer
    x = 29,627,183.70

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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.