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Finding the Fourth Proportional to 195,480.76, 269,788.89 and 109,472.53

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Solution

The fourth proportional to 195,480.76, 269,788.89 and 109,472.53 is: 151,086.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,480.76 : 269,788.89 = 109,472.53 : x
  2. Step 2: Convert to fraction form
    195,480.76/269,788.89 = 109,472.53/x
  3. Step 3: Cross multiply
    195,480.76x = 269,788.89 × 109,472.53
  4. Step 4: Simplify right side
    195,480.76x = 29,534,472,354.19
  5. Step 5: Solve for x
    x = 29,534,472,354.19/195,480.76
  6. Step 6: Final answer
    x = 151,086.34

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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.