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Finding the Fourth Proportional to 144,967.39, 217,457.94 and 119,619.90

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Solution

The fourth proportional to 144,967.39, 217,457.94 and 119,619.90 is: 179,435.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,967.39 : 217,457.94 = 119,619.90 : x
  2. Step 2: Convert to fraction form
    144,967.39/217,457.94 = 119,619.90/x
  3. Step 3: Cross multiply
    144,967.39x = 217,457.94 × 119,619.90
  4. Step 4: Simplify right side
    144,967.39x = 26,012,297,037.01
  5. Step 5: Solve for x
    x = 26,012,297,037.01/144,967.39
  6. Step 6: Final answer
    x = 179,435.51

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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.