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Finding the Fourth Proportional to 134,791.20, 202,186.80 and 41,284.80

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Solution

The fourth proportional to 134,791.20, 202,186.80 and 41,284.80 is: 61,927.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,791.20 : 202,186.80 = 41,284.80 : x
  2. Step 2: Convert to fraction form
    134,791.20/202,186.80 = 41,284.80/x
  3. Step 3: Cross multiply
    134,791.20x = 202,186.80 × 41,284.80
  4. Step 4: Simplify right side
    134,791.20x = 8,347,241,600.64
  5. Step 5: Solve for x
    x = 8,347,241,600.64/134,791.20
  6. Step 6: Final answer
    x = 61,927.20

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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.