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Finding the Fourth Proportional to 84,818.30, 127,227.45 and 49,826.30

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Solution

The fourth proportional to 84,818.30, 127,227.45 and 49,826.30 is: 74,739.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,818.30 : 127,227.45 = 49,826.30 : x
  2. Step 2: Convert to fraction form
    84,818.30/127,227.45 = 49,826.30/x
  3. Step 3: Cross multiply
    84,818.30x = 127,227.45 × 49,826.30
  4. Step 4: Simplify right side
    84,818.30x = 6,339,273,091.94
  5. Step 5: Solve for x
    x = 6,339,273,091.94/84,818.30
  6. Step 6: Final answer
    x = 74,739.45

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Similar ratio
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1.5x scale

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.