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Finding the Fourth Proportional to 104,158.44, 156,263.58 and 30,286.44

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Solution

The fourth proportional to 104,158.44, 156,263.58 and 30,286.44 is: 45,437.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,158.44 : 156,263.58 = 30,286.44 : x
  2. Step 2: Convert to fraction form
    104,158.44/156,263.58 = 30,286.44/x
  3. Step 3: Cross multiply
    104,158.44x = 156,263.58 × 30,286.44
  4. Step 4: Simplify right side
    104,158.44x = 4,732,667,539.86
  5. Step 5: Solve for x
    x = 4,732,667,539.86/104,158.44
  6. Step 6: Final answer
    x = 45,437.20

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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.