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Finding the Fourth Proportional to 118,568.40, 177,791.80 and 35,451.60

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Solution

The fourth proportional to 118,568.40, 177,791.80 and 35,451.60 is: 53,159.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,568.40 : 177,791.80 = 35,451.60 : x
  2. Step 2: Convert to fraction form
    118,568.40/177,791.80 = 35,451.60/x
  3. Step 3: Cross multiply
    118,568.40x = 177,791.80 × 35,451.60
  4. Step 4: Simplify right side
    118,568.40x = 6,303,003,776.88
  5. Step 5: Solve for x
    x = 6,303,003,776.88/118,568.40
  6. Step 6: Final answer
    x = 53,159.22

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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.