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Finding the Fourth Proportional to 117,950.65, 176,778.43 and 92,891.73

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Solution

The fourth proportional to 117,950.65, 176,778.43 and 92,891.73 is: 139,221.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,950.65 : 176,778.43 = 92,891.73 : x
  2. Step 2: Convert to fraction form
    117,950.65/176,778.43 = 92,891.73/x
  3. Step 3: Cross multiply
    117,950.65x = 176,778.43 × 92,891.73
  4. Step 4: Simplify right side
    117,950.65x = 16,421,255,142.59
  5. Step 5: Solve for x
    x = 16,421,255,142.59/117,950.65
  6. Step 6: Final answer
    x = 139,221.40

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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.