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Finding the Fourth Proportional to 95,086.28, 142,620.92 and 28,541.28

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Solution

The fourth proportional to 95,086.28, 142,620.92 and 28,541.28 is: 42,809.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,086.28 : 142,620.92 = 28,541.28 : x
  2. Step 2: Convert to fraction form
    95,086.28/142,620.92 = 28,541.28/x
  3. Step 3: Cross multiply
    95,086.28x = 142,620.92 × 28,541.28
  4. Step 4: Simplify right side
    95,086.28x = 4,070,583,611.58
  5. Step 5: Solve for x
    x = 4,070,583,611.58/95,086.28
  6. Step 6: Final answer
    x = 42,809.37

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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.