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Finding the Fourth Proportional to 367,009.38, 550,489.50 and 100,747.80

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Solution

The fourth proportional to 367,009.38, 550,489.50 and 100,747.80 is: 151,114.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,009.38 : 550,489.50 = 100,747.80 : x
  2. Step 2: Convert to fraction form
    367,009.38/550,489.50 = 100,747.80/x
  3. Step 3: Cross multiply
    367,009.38x = 550,489.50 × 100,747.80
  4. Step 4: Simplify right side
    367,009.38x = 55,460,606,048.10
  5. Step 5: Solve for x
    x = 55,460,606,048.10/367,009.38
  6. Step 6: Final answer
    x = 151,114.96

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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.