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Finding the Fourth Proportional to 250,515.90, 375,101.34 and 195,939.36

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Solution

The fourth proportional to 250,515.90, 375,101.34 and 195,939.36 is: 293,383.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,515.90 : 375,101.34 = 195,939.36 : x
  2. Step 2: Convert to fraction form
    250,515.90/375,101.34 = 195,939.36/x
  3. Step 3: Cross multiply
    250,515.90x = 375,101.34 × 195,939.36
  4. Step 4: Simplify right side
    250,515.90x = 73,497,116,494.74
  5. Step 5: Solve for x
    x = 73,497,116,494.74/250,515.90
  6. Step 6: Final answer
    x = 293,383.04

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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.