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Finding the Fourth Proportional to 116,067.36, 173,938.24 and 49,417.28

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Solution

The fourth proportional to 116,067.36, 173,938.24 and 49,417.28 is: 74,056.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,067.36 : 173,938.24 = 49,417.28 : x
  2. Step 2: Convert to fraction form
    116,067.36/173,938.24 = 49,417.28/x
  3. Step 3: Cross multiply
    116,067.36x = 173,938.24 × 49,417.28
  4. Step 4: Simplify right side
    116,067.36x = 8,595,554,708.79
  5. Step 5: Solve for x
    x = 8,595,554,708.79/116,067.36
  6. Step 6: Final answer
    x = 74,056.61

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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.