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Finding the Fourth Proportional to 171,820.72, 237,112.08 and 96,370.84

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Solution

The fourth proportional to 171,820.72, 237,112.08 and 96,370.84 is: 132,991.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,820.72 : 237,112.08 = 96,370.84 : x
  2. Step 2: Convert to fraction form
    171,820.72/237,112.08 = 96,370.84/x
  3. Step 3: Cross multiply
    171,820.72x = 237,112.08 × 96,370.84
  4. Step 4: Simplify right side
    171,820.72x = 22,850,690,323.75
  5. Step 5: Solve for x
    x = 22,850,690,323.75/171,820.72
  6. Step 6: Final answer
    x = 132,991.47

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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.