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Finding the Fourth Proportional to 169,172.44, 233,466.30 and 93,721.24

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Solution

The fourth proportional to 169,172.44, 233,466.30 and 93,721.24 is: 129,339.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,172.44 : 233,466.30 = 93,721.24 : x
  2. Step 2: Convert to fraction form
    169,172.44/233,466.30 = 93,721.24/x
  3. Step 3: Cross multiply
    169,172.44x = 233,466.30 × 93,721.24
  4. Step 4: Simplify right side
    169,172.44x = 21,880,751,134.21
  5. Step 5: Solve for x
    x = 21,880,751,134.21/169,172.44
  6. Step 6: Final answer
    x = 129,339.93

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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.