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Finding the Fourth Proportional to 160,019,979.60, 240,029,969.40 and 157,469,062.80

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Solution

The fourth proportional to 160,019,979.60, 240,029,969.40 and 157,469,062.80 is: 236,203,594.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,019,979.60 : 240,029,969.40 = 157,469,062.80 : x
  2. Step 2: Convert to fraction form
    160,019,979.60/240,029,969.40 = 157,469,062.80/x
  3. Step 3: Cross multiply
    160,019,979.60x = 240,029,969.40 × 157,469,062.80
  4. Step 4: Simplify right side
    160,019,979.60x = 37,797,294,325,330,680
  5. Step 5: Solve for x
    x = 37,797,294,325,330,680/160,019,979.60
  6. Step 6: Final answer
    x = 236,203,594.20

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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.