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Finding the Fourth Proportional to 116,879.45, 175,362.90 and 60,684.48

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Solution

The fourth proportional to 116,879.45, 175,362.90 and 60,684.48 is: 91,049.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,879.45 : 175,362.90 = 60,684.48 : x
  2. Step 2: Convert to fraction form
    116,879.45/175,362.90 = 60,684.48/x
  3. Step 3: Cross multiply
    116,879.45x = 175,362.90 × 60,684.48
  4. Step 4: Simplify right side
    116,879.45x = 10,641,806,397.79
  5. Step 5: Solve for x
    x = 10,641,806,397.79/116,879.45
  6. Step 6: Final answer
    x = 91,049.43

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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.