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Finding the Fourth Proportional to 227,337.72, 340,901.34 and 85,077.48

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Solution

The fourth proportional to 227,337.72, 340,901.34 and 85,077.48 is: 127,576.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,337.72 : 340,901.34 = 85,077.48 : x
  2. Step 2: Convert to fraction form
    227,337.72/340,901.34 = 85,077.48/x
  3. Step 3: Cross multiply
    227,337.72x = 340,901.34 × 85,077.48
  4. Step 4: Simplify right side
    227,337.72x = 29,003,026,935.82
  5. Step 5: Solve for x
    x = 29,003,026,935.82/227,337.72
  6. Step 6: Final answer
    x = 127,576.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.