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Finding the Fourth Proportional to 84,906.32, 127,359.32 and 22,576.82

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Solution

The fourth proportional to 84,906.32, 127,359.32 and 22,576.82 is: 33,865.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,906.32 : 127,359.32 = 22,576.82 : x
  2. Step 2: Convert to fraction form
    84,906.32/127,359.32 = 22,576.82/x
  3. Step 3: Cross multiply
    84,906.32x = 127,359.32 × 22,576.82
  4. Step 4: Simplify right side
    84,906.32x = 2,875,367,693.28
  5. Step 5: Solve for x
    x = 2,875,367,693.28/84,906.32
  6. Step 6: Final answer
    x = 33,865.18

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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.