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Finding the Fourth Proportional to 111,779.39, 167,633.53 and 36,885.58

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Solution

The fourth proportional to 111,779.39, 167,633.53 and 36,885.58 is: 55,316.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,779.39 : 167,633.53 = 36,885.58 : x
  2. Step 2: Convert to fraction form
    111,779.39/167,633.53 = 36,885.58/x
  3. Step 3: Cross multiply
    111,779.39x = 167,633.53 × 36,885.58
  4. Step 4: Simplify right side
    111,779.39x = 6,183,259,470.20
  5. Step 5: Solve for x
    x = 6,183,259,470.20/111,779.39
  6. Step 6: Final answer
    x = 55,316.63

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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.