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Finding the Fourth Proportional to 74,993.75, 112,545.89 and 35,550.71

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Solution

The fourth proportional to 74,993.75, 112,545.89 and 35,550.71 is: 53,352.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,993.75 : 112,545.89 = 35,550.71 : x
  2. Step 2: Convert to fraction form
    74,993.75/112,545.89 = 35,550.71/x
  3. Step 3: Cross multiply
    74,993.75x = 112,545.89 × 35,550.71
  4. Step 4: Simplify right side
    74,993.75x = 4,001,085,556.60
  5. Step 5: Solve for x
    x = 4,001,085,556.60/74,993.75
  6. Step 6: Final answer
    x = 53,352.26

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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.