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Finding the Fourth Proportional to 144,940.53, 217,408.64 and 50,239.65

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Solution

The fourth proportional to 144,940.53, 217,408.64 and 50,239.65 is: 75,358.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,940.53 : 217,408.64 = 50,239.65 : x
  2. Step 2: Convert to fraction form
    144,940.53/217,408.64 = 50,239.65/x
  3. Step 3: Cross multiply
    144,940.53x = 217,408.64 × 50,239.65
  4. Step 4: Simplify right side
    144,940.53x = 10,922,533,980.30
  5. Step 5: Solve for x
    x = 10,922,533,980.30/144,940.53
  6. Step 6: Final answer
    x = 75,358.73

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1.5x scale

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.