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Finding the Fourth Proportional to 79,356, 119,067.38 and 49,395.29

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Solution

The fourth proportional to 79,356, 119,067.38 and 49,395.29 is: 74,113.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,356 : 119,067.38 = 49,395.29 : x
  2. Step 2: Convert to fraction form
    79,356/119,067.38 = 49,395.29/x
  3. Step 3: Cross multiply
    79,356x = 119,067.38 × 49,395.29
  4. Step 4: Simplify right side
    79,356x = 5,881,366,922.33
  5. Step 5: Solve for x
    x = 5,881,366,922.33/79,356
  6. Step 6: Final answer
    x = 74,113.70

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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.