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Finding the Fourth Proportional to 275,975.86, 380,881.90 and 168,523.28

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Solution

The fourth proportional to 275,975.86, 380,881.90 and 168,523.28 is: 232,583.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,975.86 : 380,881.90 = 168,523.28 : x
  2. Step 2: Convert to fraction form
    275,975.86/380,881.90 = 168,523.28/x
  3. Step 3: Cross multiply
    275,975.86x = 380,881.90 × 168,523.28
  4. Step 4: Simplify right side
    275,975.86x = 64,187,467,080.63
  5. Step 5: Solve for x
    x = 64,187,467,080.63/275,975.86
  6. Step 6: Final answer
    x = 232,583.63

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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.