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Finding the Fourth Proportional to 56,797.64, 85,166.54 and 30,158.56

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Solution

The fourth proportional to 56,797.64, 85,166.54 and 30,158.56 is: 45,221.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,797.64 : 85,166.54 = 30,158.56 : x
  2. Step 2: Convert to fraction form
    56,797.64/85,166.54 = 30,158.56/x
  3. Step 3: Cross multiply
    56,797.64x = 85,166.54 × 30,158.56
  4. Step 4: Simplify right side
    56,797.64x = 2,568,500,275.34
  5. Step 5: Solve for x
    x = 2,568,500,275.34/56,797.64
  6. Step 6: Final answer
    x = 45,221.96

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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.