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Finding the Fourth Proportional to 163,805.56, 226,079.22 and 94,885

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Solution

The fourth proportional to 163,805.56, 226,079.22 and 94,885 is: 130,957.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,805.56 : 226,079.22 = 94,885 : x
  2. Step 2: Convert to fraction form
    163,805.56/226,079.22 = 94,885/x
  3. Step 3: Cross multiply
    163,805.56x = 226,079.22 × 94,885
  4. Step 4: Simplify right side
    163,805.56x = 21,451,526,789.70
  5. Step 5: Solve for x
    x = 21,451,526,789.70/163,805.56
  6. Step 6: Final answer
    x = 130,957.26

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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.