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Finding the Fourth Proportional to 68,620,488.50, 94,697,919.50 and 37,259,859.16

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Solution

The fourth proportional to 68,620,488.50, 94,697,919.50 and 37,259,859.16 is: 51,419,499.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,620,488.50 : 94,697,919.50 = 37,259,859.16 : x
  2. Step 2: Convert to fraction form
    68,620,488.50/94,697,919.50 = 37,259,859.16/x
  3. Step 3: Cross multiply
    68,620,488.50x = 94,697,919.50 × 37,259,859.16
  4. Step 4: Simplify right side
    68,620,488.50x = 3,528,431,143,171,422.50
  5. Step 5: Solve for x
    x = 3,528,431,143,171,422.50/68,620,488.50
  6. Step 6: Final answer
    x = 51,419,499.05

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.