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Finding the Fourth Proportional to 160,993,134.40, 241,489,701.60 and 115,979,425.60

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Solution

The fourth proportional to 160,993,134.40, 241,489,701.60 and 115,979,425.60 is: 173,969,138.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,993,134.40 : 241,489,701.60 = 115,979,425.60 : x
  2. Step 2: Convert to fraction form
    160,993,134.40/241,489,701.60 = 115,979,425.60/x
  3. Step 3: Cross multiply
    160,993,134.40x = 241,489,701.60 × 115,979,425.60
  4. Step 4: Simplify right side
    160,993,134.40x = 28,007,836,879,883,400
  5. Step 5: Solve for x
    x = 28,007,836,879,883,400/160,993,134.40
  6. Step 6: Final answer
    x = 173,969,138.40

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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.