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Finding the Fourth Proportional to 118,544.43, 177,816.43 and 55,343.37

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Solution

The fourth proportional to 118,544.43, 177,816.43 and 55,343.37 is: 83,014.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,544.43 : 177,816.43 = 55,343.37 : x
  2. Step 2: Convert to fraction form
    118,544.43/177,816.43 = 55,343.37/x
  3. Step 3: Cross multiply
    118,544.43x = 177,816.43 × 55,343.37
  4. Step 4: Simplify right side
    118,544.43x = 9,840,960,477.57
  5. Step 5: Solve for x
    x = 9,840,960,477.57/118,544.43
  6. Step 6: Final answer
    x = 83,014.95

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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.