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Finding the Fourth Proportional to 272,199.71, 375,676.47 and 195,971.15

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Solution

The fourth proportional to 272,199.71, 375,676.47 and 195,971.15 is: 270,469.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,199.71 : 375,676.47 = 195,971.15 : x
  2. Step 2: Convert to fraction form
    272,199.71/375,676.47 = 195,971.15/x
  3. Step 3: Cross multiply
    272,199.71x = 375,676.47 × 195,971.15
  4. Step 4: Simplify right side
    272,199.71x = 73,621,747,975.46
  5. Step 5: Solve for x
    x = 73,621,747,975.46/272,199.71
  6. Step 6: Final answer
    x = 270,469.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.