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Finding the Fourth Proportional to 117,649.50, 176,375.03 and 51,039.51

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Solution

The fourth proportional to 117,649.50, 176,375.03 and 51,039.51 is: 76,516.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,649.50 : 176,375.03 = 51,039.51 : x
  2. Step 2: Convert to fraction form
    117,649.50/176,375.03 = 51,039.51/x
  3. Step 3: Cross multiply
    117,649.50x = 176,375.03 × 51,039.51
  4. Step 4: Simplify right side
    117,649.50x = 9,002,094,852.24
  5. Step 5: Solve for x
    x = 9,002,094,852.24/117,649.50
  6. Step 6: Final answer
    x = 76,516.22

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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.