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Finding the Fourth Proportional to 117,652, 176,378.77 and 51,042.01

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Solution

The fourth proportional to 117,652, 176,378.77 and 51,042.01 is: 76,519.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,652 : 176,378.77 = 51,042.01 : x
  2. Step 2: Convert to fraction form
    117,652/176,378.77 = 51,042.01/x
  3. Step 3: Cross multiply
    117,652x = 176,378.77 × 51,042.01
  4. Step 4: Simplify right side
    117,652x = 9,002,726,942.13
  5. Step 5: Solve for x
    x = 9,002,726,942.13/117,652
  6. Step 6: Final answer
    x = 76,519.97

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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.