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Finding the Fourth Proportional to 275,194.77, 379,810.29 and 167,827.08

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Solution

The fourth proportional to 275,194.77, 379,810.29 and 167,827.08 is: 231,626.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,194.77 : 379,810.29 = 167,827.08 : x
  2. Step 2: Convert to fraction form
    275,194.77/379,810.29 = 167,827.08/x
  3. Step 3: Cross multiply
    275,194.77x = 379,810.29 × 167,827.08
  4. Step 4: Simplify right side
    275,194.77x = 63,742,451,924.65
  5. Step 5: Solve for x
    x = 63,742,451,924.65/275,194.77
  6. Step 6: Final answer
    x = 231,626.68

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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.