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Finding the Fourth Proportional to 172,324.02, 237,828.51 and 96,872.52

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Solution

The fourth proportional to 172,324.02, 237,828.51 and 96,872.52 is: 133,696.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,324.02 : 237,828.51 = 96,872.52 : x
  2. Step 2: Convert to fraction form
    172,324.02/237,828.51 = 96,872.52/x
  3. Step 3: Cross multiply
    172,324.02x = 237,828.51 × 96,872.52
  4. Step 4: Simplify right side
    172,324.02x = 23,039,047,091.55
  5. Step 5: Solve for x
    x = 23,039,047,091.55/172,324.02
  6. Step 6: Final answer
    x = 133,696.09

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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.