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Finding the Fourth Proportional to 134,791.80, 202,187.70 and 41,285.40

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Solution

The fourth proportional to 134,791.80, 202,187.70 and 41,285.40 is: 61,928.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,791.80 : 202,187.70 = 41,285.40 : x
  2. Step 2: Convert to fraction form
    134,791.80/202,187.70 = 41,285.40/x
  3. Step 3: Cross multiply
    134,791.80x = 202,187.70 × 41,285.40
  4. Step 4: Simplify right side
    134,791.80x = 8,347,400,069.58
  5. Step 5: Solve for x
    x = 8,347,400,069.58/134,791.80
  6. Step 6: Final answer
    x = 61,928.10

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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.