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Finding the Fourth Proportional to 118,350.52, 177,464.58 and 43,451.44

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Solution

The fourth proportional to 118,350.52, 177,464.58 and 43,451.44 is: 65,154.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,350.52 : 177,464.58 = 43,451.44 : x
  2. Step 2: Convert to fraction form
    118,350.52/177,464.58 = 43,451.44/x
  3. Step 3: Cross multiply
    118,350.52x = 177,464.58 × 43,451.44
  4. Step 4: Simplify right side
    118,350.52x = 7,711,091,550.00
  5. Step 5: Solve for x
    x = 7,711,091,550.00/118,350.52
  6. Step 6: Final answer
    x = 65,154.69

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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.