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Finding the Fourth Proportional to 172,495.91, 238,044.32 and 96,013.36

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Solution

The fourth proportional to 172,495.91, 238,044.32 and 96,013.36 is: 132,498.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,495.91 : 238,044.32 = 96,013.36 : x
  2. Step 2: Convert to fraction form
    172,495.91/238,044.32 = 96,013.36/x
  3. Step 3: Cross multiply
    172,495.91x = 238,044.32 × 96,013.36
  4. Step 4: Simplify right side
    172,495.91x = 22,855,434,992.12
  5. Step 5: Solve for x
    x = 22,855,434,992.12/172,495.91
  6. Step 6: Final answer
    x = 132,498.42

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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.