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Finding the Fourth Proportional to 153,673.62, 230,138.91 and 127,183.38

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Solution

The fourth proportional to 153,673.62, 230,138.91 and 127,183.38 is: 190,467.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,673.62 : 230,138.91 = 127,183.38 : x
  2. Step 2: Convert to fraction form
    153,673.62/230,138.91 = 127,183.38/x
  3. Step 3: Cross multiply
    153,673.62x = 230,138.91 × 127,183.38
  4. Step 4: Simplify right side
    153,673.62x = 29,269,844,443.32
  5. Step 5: Solve for x
    x = 29,269,844,443.32/153,673.62
  6. Step 6: Final answer
    x = 190,467.59

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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.