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Finding the Fourth Proportional to 160,755.76, 221,791.92 and 92,763.75

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Solution

The fourth proportional to 160,755.76, 221,791.92 and 92,763.75 is: 127,984.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,755.76 : 221,791.92 = 92,763.75 : x
  2. Step 2: Convert to fraction form
    160,755.76/221,791.92 = 92,763.75/x
  3. Step 3: Cross multiply
    160,755.76x = 221,791.92 × 92,763.75
  4. Step 4: Simplify right side
    160,755.76x = 20,574,249,976.97
  5. Step 5: Solve for x
    x = 20,574,249,976.97/160,755.76
  6. Step 6: Final answer
    x = 127,984.53

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1.5x scale

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.