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Finding the Fourth Proportional to 367,509.73, 551,147.89 and 118,133.41

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Solution

The fourth proportional to 367,509.73, 551,147.89 and 118,133.41 is: 177,162.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,509.73 : 551,147.89 = 118,133.41 : x
  2. Step 2: Convert to fraction form
    367,509.73/551,147.89 = 118,133.41/x
  3. Step 3: Cross multiply
    367,509.73x = 551,147.89 × 118,133.41
  4. Step 4: Simplify right side
    367,509.73x = 65,108,979,660.00
  5. Step 5: Solve for x
    x = 65,108,979,660.00/367,509.73
  6. Step 6: Final answer
    x = 177,162.60

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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.