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Finding the Fourth Proportional to 66,876,729.30, 100,315,093.95 and 66,876,729.30

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Solution

The fourth proportional to 66,876,729.30, 100,315,093.95 and 66,876,729.30 is: 100,315,093.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,876,729.30 : 100,315,093.95 = 66,876,729.30 : x
  2. Step 2: Convert to fraction form
    66,876,729.30/100,315,093.95 = 66,876,729.30/x
  3. Step 3: Cross multiply
    66,876,729.30x = 100,315,093.95 × 66,876,729.30
  4. Step 4: Simplify right side
    66,876,729.30x = 6,708,745,382,798,218
  5. Step 5: Solve for x
    x = 6,708,745,382,798,218/66,876,729.30
  6. Step 6: Final answer
    x = 100,315,093.95

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.