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Finding the Fourth Proportional to 160,993,094.40, 241,489,641.60 and 115,979,385.60

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Solution

The fourth proportional to 160,993,094.40, 241,489,641.60 and 115,979,385.60 is: 173,969,078.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,993,094.40 : 241,489,641.60 = 115,979,385.60 : x
  2. Step 2: Convert to fraction form
    160,993,094.40/241,489,641.60 = 115,979,385.60/x
  3. Step 3: Cross multiply
    160,993,094.40x = 241,489,641.60 × 115,979,385.60
  4. Step 4: Simplify right side
    160,993,094.40x = 28,007,820,261,532,200
  5. Step 5: Solve for x
    x = 28,007,820,261,532,200/160,993,094.40
  6. Step 6: Final answer
    x = 173,969,078.40

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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.