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Finding the Fourth Proportional to 123,315.98, 184,959.47 and 34,576.62

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Solution

The fourth proportional to 123,315.98, 184,959.47 and 34,576.62 is: 51,860.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,315.98 : 184,959.47 = 34,576.62 : x
  2. Step 2: Convert to fraction form
    123,315.98/184,959.47 = 34,576.62/x
  3. Step 3: Cross multiply
    123,315.98x = 184,959.47 × 34,576.62
  4. Step 4: Simplify right side
    123,315.98x = 6,395,273,136.71
  5. Step 5: Solve for x
    x = 6,395,273,136.71/123,315.98
  6. Step 6: Final answer
    x = 51,860.87

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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.