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Finding the Fourth Proportional to 117,203.26, 161,737.16 and 68,804.41

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Solution

The fourth proportional to 117,203.26, 161,737.16 and 68,804.41 is: 94,948.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,203.26 : 161,737.16 = 68,804.41 : x
  2. Step 2: Convert to fraction form
    117,203.26/161,737.16 = 68,804.41/x
  3. Step 3: Cross multiply
    117,203.26x = 161,737.16 × 68,804.41
  4. Step 4: Simplify right side
    117,203.26x = 11,128,229,636.54
  5. Step 5: Solve for x
    x = 11,128,229,636.54/117,203.26
  6. Step 6: Final answer
    x = 94,948.13

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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.