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Finding the Fourth Proportional to 285,791.88, 428,536.08 and 96,188.97

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Solution

The fourth proportional to 285,791.88, 428,536.08 and 96,188.97 is: 144,232.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,791.88 : 428,536.08 = 96,188.97 : x
  2. Step 2: Convert to fraction form
    285,791.88/428,536.08 = 96,188.97/x
  3. Step 3: Cross multiply
    285,791.88x = 428,536.08 × 96,188.97
  4. Step 4: Simplify right side
    285,791.88x = 41,220,444,143.04
  5. Step 5: Solve for x
    x = 41,220,444,143.04/285,791.88
  6. Step 6: Final answer
    x = 144,232.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.