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Finding the Fourth Proportional to 118,063.21, 177,107.14 and 50,602.03

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Solution

The fourth proportional to 118,063.21, 177,107.14 and 50,602.03 is: 75,908.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,063.21 : 177,107.14 = 50,602.03 : x
  2. Step 2: Convert to fraction form
    118,063.21/177,107.14 = 50,602.03/x
  3. Step 3: Cross multiply
    118,063.21x = 177,107.14 × 50,602.03
  4. Step 4: Simplify right side
    118,063.21x = 8,961,980,811.49
  5. Step 5: Solve for x
    x = 8,961,980,811.49/118,063.21
  6. Step 6: Final answer
    x = 75,908.33

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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.