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Finding the Fourth Proportional to 103,119.30, 154,794.15 and 96,351.30

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Solution

The fourth proportional to 103,119.30, 154,794.15 and 96,351.30 is: 144,634.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,119.30 : 154,794.15 = 96,351.30 : x
  2. Step 2: Convert to fraction form
    103,119.30/154,794.15 = 96,351.30/x
  3. Step 3: Cross multiply
    103,119.30x = 154,794.15 × 96,351.30
  4. Step 4: Simplify right side
    103,119.30x = 14,914,617,584.90
  5. Step 5: Solve for x
    x = 14,914,617,584.90/103,119.30
  6. Step 6: Final answer
    x = 144,634.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.