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Finding the Fourth Proportional to 82,793, 124,201.18 and 26,614.28

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Solution

The fourth proportional to 82,793, 124,201.18 and 26,614.28 is: 39,925.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,793 : 124,201.18 = 26,614.28 : x
  2. Step 2: Convert to fraction form
    82,793/124,201.18 = 26,614.28/x
  3. Step 3: Cross multiply
    82,793x = 124,201.18 × 26,614.28
  4. Step 4: Simplify right side
    82,793x = 3,305,524,980.85
  5. Step 5: Solve for x
    x = 3,305,524,980.85/82,793
  6. Step 6: Final answer
    x = 39,925.17

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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.