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Finding the Fourth Proportional to 73,067.04, 109,534.74 and 26,287

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Solution

The fourth proportional to 73,067.04, 109,534.74 and 26,287 is: 39,406.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,067.04 : 109,534.74 = 26,287 : x
  2. Step 2: Convert to fraction form
    73,067.04/109,534.74 = 26,287/x
  3. Step 3: Cross multiply
    73,067.04x = 109,534.74 × 26,287
  4. Step 4: Simplify right side
    73,067.04x = 2,879,339,710.38
  5. Step 5: Solve for x
    x = 2,879,339,710.38/73,067.04
  6. Step 6: Final answer
    x = 39,406.82

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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.