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Finding the Fourth Proportional to 127,960.83, 191,963.81 and 43,701.24

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Solution

The fourth proportional to 127,960.83, 191,963.81 and 43,701.24 is: 65,559.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,960.83 : 191,963.81 = 43,701.24 : x
  2. Step 2: Convert to fraction form
    127,960.83/191,963.81 = 43,701.24/x
  3. Step 3: Cross multiply
    127,960.83x = 191,963.81 × 43,701.24
  4. Step 4: Simplify right side
    127,960.83x = 8,389,057,232.30
  5. Step 5: Solve for x
    x = 8,389,057,232.30/127,960.83
  6. Step 6: Final answer
    x = 65,559.57

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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.