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Finding the Fourth Proportional to 114,707.21, 171,966.03 and 50,619.71

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Solution

The fourth proportional to 114,707.21, 171,966.03 and 50,619.71 is: 75,887.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,707.21 : 171,966.03 = 50,619.71 : x
  2. Step 2: Convert to fraction form
    114,707.21/171,966.03 = 50,619.71/x
  3. Step 3: Cross multiply
    114,707.21x = 171,966.03 × 50,619.71
  4. Step 4: Simplify right side
    114,707.21x = 8,704,869,708.62
  5. Step 5: Solve for x
    x = 8,704,869,708.62/114,707.21
  6. Step 6: Final answer
    x = 75,887.73

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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.