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Finding the Fourth Proportional to 110,961.20, 166,546.20 and 58,408.40

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Solution

The fourth proportional to 110,961.20, 166,546.20 and 58,408.40 is: 87,667.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,961.20 : 166,546.20 = 58,408.40 : x
  2. Step 2: Convert to fraction form
    110,961.20/166,546.20 = 58,408.40/x
  3. Step 3: Cross multiply
    110,961.20x = 166,546.20 × 58,408.40
  4. Step 4: Simplify right side
    110,961.20x = 9,727,697,068.08
  5. Step 5: Solve for x
    x = 9,727,697,068.08/110,961.20
  6. Step 6: Final answer
    x = 87,667.55

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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.