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Finding the Fourth Proportional to 172,802.14, 238,468.03 and 96,326.09

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Solution

The fourth proportional to 172,802.14, 238,468.03 and 96,326.09 is: 132,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,802.14 : 238,468.03 = 96,326.09 : x
  2. Step 2: Convert to fraction form
    172,802.14/238,468.03 = 96,326.09/x
  3. Step 3: Cross multiply
    172,802.14x = 238,468.03 × 96,326.09
  4. Step 4: Simplify right side
    172,802.14x = 22,970,692,919.90
  5. Step 5: Solve for x
    x = 22,970,692,919.90/172,802.14
  6. Step 6: Final answer
    x = 132,930.60

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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.