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Finding the Fourth Proportional to 367,957.72, 551,993.86 and 118,664.92

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Solution

The fourth proportional to 367,957.72, 551,993.86 and 118,664.92 is: 178,015.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,957.72 : 551,993.86 = 118,664.92 : x
  2. Step 2: Convert to fraction form
    367,957.72/551,993.86 = 118,664.92/x
  3. Step 3: Cross multiply
    367,957.72x = 551,993.86 × 118,664.92
  4. Step 4: Simplify right side
    367,957.72x = 65,502,307,237.39
  5. Step 5: Solve for x
    x = 65,502,307,237.39/367,957.72
  6. Step 6: Final answer
    x = 178,015.85

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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.