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Finding the Fourth Proportional to 73,507,906.60, 110,261,859.90 and 49,258,450.60

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Solution

The fourth proportional to 73,507,906.60, 110,261,859.90 and 49,258,450.60 is: 73,887,675.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,507,906.60 : 110,261,859.90 = 49,258,450.60 : x
  2. Step 2: Convert to fraction form
    73,507,906.60/110,261,859.90 = 49,258,450.60/x
  3. Step 3: Cross multiply
    73,507,906.60x = 110,261,859.90 × 49,258,450.60
  4. Step 4: Simplify right side
    73,507,906.60x = 5,431,328,378,948,271
  5. Step 5: Solve for x
    x = 5,431,328,378,948,271/73,507,906.60
  6. Step 6: Final answer
    x = 73,887,675.90

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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.