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Finding the Fourth Proportional to 117,672.92, 176,509.10 and 51,104.42

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Solution

The fourth proportional to 117,672.92, 176,509.10 and 51,104.42 is: 76,656.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,672.92 : 176,509.10 = 51,104.42 : x
  2. Step 2: Convert to fraction form
    117,672.92/176,509.10 = 51,104.42/x
  3. Step 3: Cross multiply
    117,672.92x = 176,509.10 × 51,104.42
  4. Step 4: Simplify right side
    117,672.92x = 9,020,395,180.22
  5. Step 5: Solve for x
    x = 9,020,395,180.22/117,672.92
  6. Step 6: Final answer
    x = 76,656.51

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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.