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Finding the Fourth Proportional to 172,668.16, 238,250.46 and 96,185.36

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Solution

The fourth proportional to 172,668.16, 238,250.46 and 96,185.36 is: 132,718.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,668.16 : 238,250.46 = 96,185.36 : x
  2. Step 2: Convert to fraction form
    172,668.16/238,250.46 = 96,185.36/x
  3. Step 3: Cross multiply
    172,668.16x = 238,250.46 × 96,185.36
  4. Step 4: Simplify right side
    172,668.16x = 22,916,206,265.27
  5. Step 5: Solve for x
    x = 22,916,206,265.27/172,668.16
  6. Step 6: Final answer
    x = 132,718.19

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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.