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Finding the Fourth Proportional to 179,693.40, 269,183.70 and 157,531.80

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Solution

The fourth proportional to 179,693.40, 269,183.70 and 157,531.80 is: 235,985.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,693.40 : 269,183.70 = 157,531.80 : x
  2. Step 2: Convert to fraction form
    179,693.40/269,183.70 = 157,531.80/x
  3. Step 3: Cross multiply
    179,693.40x = 269,183.70 × 157,531.80
  4. Step 4: Simplify right side
    179,693.40x = 42,404,992,791.66
  5. Step 5: Solve for x
    x = 42,404,992,791.66/179,693.40
  6. Step 6: Final answer
    x = 235,985.25

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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.