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Finding the Fourth Proportional to 111,808.32, 167,676.90 and 36,914.52

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Solution

The fourth proportional to 111,808.32, 167,676.90 and 36,914.52 is: 55,360.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,808.32 : 167,676.90 = 36,914.52 : x
  2. Step 2: Convert to fraction form
    111,808.32/167,676.90 = 36,914.52/x
  3. Step 3: Cross multiply
    111,808.32x = 167,676.90 × 36,914.52
  4. Step 4: Simplify right side
    111,808.32x = 6,189,712,278.59
  5. Step 5: Solve for x
    x = 6,189,712,278.59/111,808.32
  6. Step 6: Final answer
    x = 55,360.03

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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.