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Finding the Fourth Proportional to 117,696.99, 176,543.96 and 28,951.27

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Solution

The fourth proportional to 117,696.99, 176,543.96 and 28,951.27 is: 43,426.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,696.99 : 176,543.96 = 28,951.27 : x
  2. Step 2: Convert to fraction form
    117,696.99/176,543.96 = 28,951.27/x
  3. Step 3: Cross multiply
    117,696.99x = 176,543.96 × 28,951.27
  4. Step 4: Simplify right side
    117,696.99x = 5,111,171,483.85
  5. Step 5: Solve for x
    x = 5,111,171,483.85/117,696.99
  6. Step 6: Final answer
    x = 43,426.53

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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.