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Finding the Fourth Proportional to 114,167.68, 171,252 and 74,757.76

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Solution

The fourth proportional to 114,167.68, 171,252 and 74,757.76 is: 112,136.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,167.68 : 171,252 = 74,757.76 : x
  2. Step 2: Convert to fraction form
    114,167.68/171,252 = 74,757.76/x
  3. Step 3: Cross multiply
    114,167.68x = 171,252 × 74,757.76
  4. Step 4: Simplify right side
    114,167.68x = 12,802,415,915.52
  5. Step 5: Solve for x
    x = 12,802,415,915.52/114,167.68
  6. Step 6: Final answer
    x = 112,136.95

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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.