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Finding the Fourth Proportional to 119,524.97, 179,230.27 and 69,619.30

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Solution

The fourth proportional to 119,524.97, 179,230.27 and 69,619.30 is: 104,395.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,524.97 : 179,230.27 = 69,619.30 : x
  2. Step 2: Convert to fraction form
    119,524.97/179,230.27 = 69,619.30/x
  3. Step 3: Cross multiply
    119,524.97x = 179,230.27 × 69,619.30
  4. Step 4: Simplify right side
    119,524.97x = 12,477,885,936.21
  5. Step 5: Solve for x
    x = 12,477,885,936.21/119,524.97
  6. Step 6: Final answer
    x = 104,395.64

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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.