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Finding the Fourth Proportional to 144,469.35, 216,704.70 and 50,975.10

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Solution

The fourth proportional to 144,469.35, 216,704.70 and 50,975.10 is: 76,462.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,469.35 : 216,704.70 = 50,975.10 : x
  2. Step 2: Convert to fraction form
    144,469.35/216,704.70 = 50,975.10/x
  3. Step 3: Cross multiply
    144,469.35x = 216,704.70 × 50,975.10
  4. Step 4: Simplify right side
    144,469.35x = 11,046,543,752.97
  5. Step 5: Solve for x
    x = 11,046,543,752.97/144,469.35
  6. Step 6: Final answer
    x = 76,462.89

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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.