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Finding the Fourth Proportional to 82,164.07, 123,246.11 and 26,760.07

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Solution

The fourth proportional to 82,164.07, 123,246.11 and 26,760.07 is: 40,140.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,164.07 : 123,246.11 = 26,760.07 : x
  2. Step 2: Convert to fraction form
    82,164.07/123,246.11 = 26,760.07/x
  3. Step 3: Cross multiply
    82,164.07x = 123,246.11 × 26,760.07
  4. Step 4: Simplify right side
    82,164.07x = 3,298,074,530.83
  5. Step 5: Solve for x
    x = 3,298,074,530.83/82,164.07
  6. Step 6: Final answer
    x = 40,140.11

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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.