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Finding the Fourth Proportional to 43,942,651.60, 65,913,977.40 and 43,942,651.60

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Solution

The fourth proportional to 43,942,651.60, 65,913,977.40 and 43,942,651.60 is: 65,913,977.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,942,651.60 : 65,913,977.40 = 43,942,651.60 : x
  2. Step 2: Convert to fraction form
    43,942,651.60/65,913,977.40 = 43,942,651.60/x
  3. Step 3: Cross multiply
    43,942,651.60x = 65,913,977.40 × 43,942,651.60
  4. Step 4: Simplify right side
    43,942,651.60x = 2,896,434,944,458,474
  5. Step 5: Solve for x
    x = 2,896,434,944,458,474/43,942,651.60
  6. Step 6: Final answer
    x = 65,913,977.40

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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.