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Finding the Fourth Proportional to 119,103.62, 179,368.48 and 108,474.80

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Solution

The fourth proportional to 119,103.62, 179,368.48 and 108,474.80 is: 163,361.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,103.62 : 179,368.48 = 108,474.80 : x
  2. Step 2: Convert to fraction form
    119,103.62/179,368.48 = 108,474.80/x
  3. Step 3: Cross multiply
    119,103.62x = 179,368.48 × 108,474.80
  4. Step 4: Simplify right side
    119,103.62x = 19,456,959,994.30
  5. Step 5: Solve for x
    x = 19,456,959,994.30/119,103.62
  6. Step 6: Final answer
    x = 163,361.62

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.