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Finding the Fourth Proportional to 172,800.63, 238,467.27 and 96,317.61

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Solution

The fourth proportional to 172,800.63, 238,467.27 and 96,317.61 is: 132,919.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,800.63 : 238,467.27 = 96,317.61 : x
  2. Step 2: Convert to fraction form
    172,800.63/238,467.27 = 96,317.61/x
  3. Step 3: Cross multiply
    172,800.63x = 238,467.27 × 96,317.61
  4. Step 4: Simplify right side
    172,800.63x = 22,968,597,509.62
  5. Step 5: Solve for x
    x = 22,968,597,509.62/172,800.63
  6. Step 6: Final answer
    x = 132,919.64

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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.