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Finding the Fourth Proportional to 275,937.02, 380,897.15 and 161,253.02

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Solution

The fourth proportional to 275,937.02, 380,897.15 and 161,253.02 is: 222,589.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,937.02 : 380,897.15 = 161,253.02 : x
  2. Step 2: Convert to fraction form
    275,937.02/380,897.15 = 161,253.02/x
  3. Step 3: Cross multiply
    275,937.02x = 380,897.15 × 161,253.02
  4. Step 4: Simplify right side
    275,937.02x = 61,420,815,746.89
  5. Step 5: Solve for x
    x = 61,420,815,746.89/275,937.02
  6. Step 6: Final answer
    x = 222,589.98

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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.