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Finding the Fourth Proportional to 116,485.80, 174,582.46 and 49,847.56

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Solution

The fourth proportional to 116,485.80, 174,582.46 and 49,847.56 is: 74,708.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,485.80 : 174,582.46 = 49,847.56 : x
  2. Step 2: Convert to fraction form
    116,485.80/174,582.46 = 49,847.56/x
  3. Step 3: Cross multiply
    116,485.80x = 174,582.46 × 49,847.56
  4. Step 4: Simplify right side
    116,485.80x = 8,702,509,649.80
  5. Step 5: Solve for x
    x = 8,702,509,649.80/116,485.80
  6. Step 6: Final answer
    x = 74,708.76

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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.