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Finding the Fourth Proportional to 367,342.44, 550,974.78 and 118,005

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Solution

The fourth proportional to 367,342.44, 550,974.78 and 118,005 is: 176,995.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,342.44 : 550,974.78 = 118,005 : x
  2. Step 2: Convert to fraction form
    367,342.44/550,974.78 = 118,005/x
  3. Step 3: Cross multiply
    367,342.44x = 550,974.78 × 118,005
  4. Step 4: Simplify right side
    367,342.44x = 65,017,778,913.90
  5. Step 5: Solve for x
    x = 65,017,778,913.90/367,342.44
  6. Step 6: Final answer
    x = 176,995.01

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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.