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Finding the Fourth Proportional to 95,359.68, 131,620.56 and 65,157.20

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Solution

The fourth proportional to 95,359.68, 131,620.56 and 65,157.20 is: 89,933.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,359.68 : 131,620.56 = 65,157.20 : x
  2. Step 2: Convert to fraction form
    95,359.68/131,620.56 = 65,157.20/x
  3. Step 3: Cross multiply
    95,359.68x = 131,620.56 × 65,157.20
  4. Step 4: Simplify right side
    95,359.68x = 8,576,027,152.03
  5. Step 5: Solve for x
    x = 8,576,027,152.03/95,359.68
  6. Step 6: Final answer
    x = 89,933.47

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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.