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Finding the Fourth Proportional to 117,696.66, 162,419.48 and 63,983.03

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Solution

The fourth proportional to 117,696.66, 162,419.48 and 63,983.03 is: 88,295.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,696.66 : 162,419.48 = 63,983.03 : x
  2. Step 2: Convert to fraction form
    117,696.66/162,419.48 = 63,983.03/x
  3. Step 3: Cross multiply
    117,696.66x = 162,419.48 × 63,983.03
  4. Step 4: Simplify right side
    117,696.66x = 10,392,090,707.52
  5. Step 5: Solve for x
    x = 10,392,090,707.52/117,696.66
  6. Step 6: Final answer
    x = 88,295.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.