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Finding the Fourth Proportional to 153,986, 230,979 and 37,250

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Solution

The fourth proportional to 153,986, 230,979 and 37,250 is: 55,875

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,986 : 230,979 = 37,250 : x
  2. Step 2: Convert to fraction form
    153,986/230,979 = 37,250/x
  3. Step 3: Cross multiply
    153,986x = 230,979 × 37,250
  4. Step 4: Simplify right side
    153,986x = 8,603,967,750
  5. Step 5: Solve for x
    x = 8,603,967,750/153,986
  6. Step 6: Final answer
    x = 55,875

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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.