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Finding the Fourth Proportional to 82,054.01, 123,081.03 and 25,898.49

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Solution

The fourth proportional to 82,054.01, 123,081.03 and 25,898.49 is: 38,847.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,054.01 : 123,081.03 = 25,898.49 : x
  2. Step 2: Convert to fraction form
    82,054.01/123,081.03 = 25,898.49/x
  3. Step 3: Cross multiply
    82,054.01x = 123,081.03 × 25,898.49
  4. Step 4: Simplify right side
    82,054.01x = 3,187,612,824.64
  5. Step 5: Solve for x
    x = 3,187,612,824.64/82,054.01
  6. Step 6: Final answer
    x = 38,847.74

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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.