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Finding the Fourth Proportional to 617,231.37, 925,753.51 and 167,987.25

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Solution

The fourth proportional to 617,231.37, 925,753.51 and 167,987.25 is: 251,955.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,231.37 : 925,753.51 = 167,987.25 : x
  2. Step 2: Convert to fraction form
    617,231.37/925,753.51 = 167,987.25/x
  3. Step 3: Cross multiply
    617,231.37x = 925,753.51 × 167,987.25
  4. Step 4: Simplify right side
    617,231.37x = 155,514,783,635.05
  5. Step 5: Solve for x
    x = 155,514,783,635.05/617,231.37
  6. Step 6: Final answer
    x = 251,955.41

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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.