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Finding the Fourth Proportional to 172,991.24, 238,727.22 and 93,503.24

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Solution

The fourth proportional to 172,991.24, 238,727.22 and 93,503.24 is: 129,034.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,991.24 : 238,727.22 = 93,503.24 : x
  2. Step 2: Convert to fraction form
    172,991.24/238,727.22 = 93,503.24/x
  3. Step 3: Cross multiply
    172,991.24x = 238,727.22 × 93,503.24
  4. Step 4: Simplify right side
    172,991.24x = 22,321,768,546.19
  5. Step 5: Solve for x
    x = 22,321,768,546.19/172,991.24
  6. Step 6: Final answer
    x = 129,034.10

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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.