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Finding the Fourth Proportional to 84,764.30, 127,204.05 and 47,324.30

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Solution

The fourth proportional to 84,764.30, 127,204.05 and 47,324.30 is: 71,018.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,764.30 : 127,204.05 = 47,324.30 : x
  2. Step 2: Convert to fraction form
    84,764.30/127,204.05 = 47,324.30/x
  3. Step 3: Cross multiply
    84,764.30x = 127,204.05 × 47,324.30
  4. Step 4: Simplify right side
    84,764.30x = 6,019,842,623.42
  5. Step 5: Solve for x
    x = 6,019,842,623.42/84,764.30
  6. Step 6: Final answer
    x = 71,018.61

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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.