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Finding the Fourth Proportional to 259,502.80, 388,793.40 and 160,891.60

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Solution

The fourth proportional to 259,502.80, 388,793.40 and 160,891.60 is: 241,051.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,502.80 : 388,793.40 = 160,891.60 : x
  2. Step 2: Convert to fraction form
    259,502.80/388,793.40 = 160,891.60/x
  3. Step 3: Cross multiply
    259,502.80x = 388,793.40 × 160,891.60
  4. Step 4: Simplify right side
    259,502.80x = 62,553,592,195.44
  5. Step 5: Solve for x
    x = 62,553,592,195.44/259,502.80
  6. Step 6: Final answer
    x = 241,051.70

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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.