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Finding the Fourth Proportional to 116,563.49, 160,851.73 and 68,807.60

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Solution

The fourth proportional to 116,563.49, 160,851.73 and 68,807.60 is: 94,951.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,563.49 : 160,851.73 = 68,807.60 : x
  2. Step 2: Convert to fraction form
    116,563.49/160,851.73 = 68,807.60/x
  3. Step 3: Cross multiply
    116,563.49x = 160,851.73 × 68,807.60
  4. Step 4: Simplify right side
    116,563.49x = 11,067,820,348.85
  5. Step 5: Solve for x
    x = 11,067,820,348.85/116,563.49
  6. Step 6: Final answer
    x = 94,951.01

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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.