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Finding the Fourth Proportional to 178,093.71, 267,169.73 and 84,567.87

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Solution

The fourth proportional to 178,093.71, 267,169.73 and 84,567.87 is: 126,865.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,093.71 : 267,169.73 = 84,567.87 : x
  2. Step 2: Convert to fraction form
    178,093.71/267,169.73 = 84,567.87/x
  3. Step 3: Cross multiply
    178,093.71x = 267,169.73 × 84,567.87
  4. Step 4: Simplify right side
    178,093.71x = 22,593,974,571.74
  5. Step 5: Solve for x
    x = 22,593,974,571.74/178,093.71
  6. Step 6: Final answer
    x = 126,865.65

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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.