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Finding the Fourth Proportional to 118,471.33, 177,756.36 and 51,959.22

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Solution

The fourth proportional to 118,471.33, 177,756.36 and 51,959.22 is: 77,960.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,471.33 : 177,756.36 = 51,959.22 : x
  2. Step 2: Convert to fraction form
    118,471.33/177,756.36 = 51,959.22/x
  3. Step 3: Cross multiply
    118,471.33x = 177,756.36 × 51,959.22
  4. Step 4: Simplify right side
    118,471.33x = 9,236,081,815.64
  5. Step 5: Solve for x
    x = 9,236,081,815.64/118,471.33
  6. Step 6: Final answer
    x = 77,960.48

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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.