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Finding the Fourth Proportional to 134,744.20, 202,189.20 and 55,866.40

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Solution

The fourth proportional to 134,744.20, 202,189.20 and 55,866.40 is: 83,829.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,744.20 : 202,189.20 = 55,866.40 : x
  2. Step 2: Convert to fraction form
    134,744.20/202,189.20 = 55,866.40/x
  3. Step 3: Cross multiply
    134,744.20x = 202,189.20 × 55,866.40
  4. Step 4: Simplify right side
    134,744.20x = 11,295,582,722.88
  5. Step 5: Solve for x
    x = 11,295,582,722.88/134,744.20
  6. Step 6: Final answer
    x = 83,829.83

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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.