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Finding the Fourth Proportional to 263,842.97, 364,121.50 and 160,517.47

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Solution

The fourth proportional to 263,842.97, 364,121.50 and 160,517.47 is: 221,525.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,842.97 : 364,121.50 = 160,517.47 : x
  2. Step 2: Convert to fraction form
    263,842.97/364,121.50 = 160,517.47/x
  3. Step 3: Cross multiply
    263,842.97x = 364,121.50 × 160,517.47
  4. Step 4: Simplify right side
    263,842.97x = 58,447,861,150.02
  5. Step 5: Solve for x
    x = 58,447,861,150.02/263,842.97
  6. Step 6: Final answer
    x = 221,525.18

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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.