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Finding the Fourth Proportional to 111,460.88, 167,191.32 and 56,018

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Solution

The fourth proportional to 111,460.88, 167,191.32 and 56,018 is: 84,027

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,460.88 : 167,191.32 = 56,018 : x
  2. Step 2: Convert to fraction form
    111,460.88/167,191.32 = 56,018/x
  3. Step 3: Cross multiply
    111,460.88x = 167,191.32 × 56,018
  4. Step 4: Simplify right side
    111,460.88x = 9,365,723,363.76
  5. Step 5: Solve for x
    x = 9,365,723,363.76/111,460.88
  6. Step 6: Final answer
    x = 84,027

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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.