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Finding the Fourth Proportional to 171,828, 237,122.78 and 96,376.50

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Solution

The fourth proportional to 171,828, 237,122.78 and 96,376.50 is: 132,999.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,828 : 237,122.78 = 96,376.50 : x
  2. Step 2: Convert to fraction form
    171,828/237,122.78 = 96,376.50/x
  3. Step 3: Cross multiply
    171,828x = 237,122.78 × 96,376.50
  4. Step 4: Simplify right side
    171,828x = 22,853,063,124.79
  5. Step 5: Solve for x
    x = 22,853,063,124.79/171,828
  6. Step 6: Final answer
    x = 132,999.65

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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.