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Finding the Fourth Proportional to 116,264.43, 160,447.73 and 65,963.43

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Solution

The fourth proportional to 116,264.43, 160,447.73 and 65,963.43 is: 91,031.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,264.43 : 160,447.73 = 65,963.43 : x
  2. Step 2: Convert to fraction form
    116,264.43/160,447.73 = 65,963.43/x
  3. Step 3: Cross multiply
    116,264.43x = 160,447.73 × 65,963.43
  4. Step 4: Simplify right side
    116,264.43x = 10,583,682,276.70
  5. Step 5: Solve for x
    x = 10,583,682,276.70/116,264.43
  6. Step 6: Final answer
    x = 91,031.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.