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Finding the Fourth Proportional to 172,959.24, 238,694.72 and 97,512.60

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Solution

The fourth proportional to 172,959.24, 238,694.72 and 97,512.60 is: 134,573.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,959.24 : 238,694.72 = 97,512.60 : x
  2. Step 2: Convert to fraction form
    172,959.24/238,694.72 = 97,512.60/x
  3. Step 3: Cross multiply
    172,959.24x = 238,694.72 × 97,512.60
  4. Step 4: Simplify right side
    172,959.24x = 23,275,742,753.47
  5. Step 5: Solve for x
    x = 23,275,742,753.47/172,959.24
  6. Step 6: Final answer
    x = 134,573.57

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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.