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Finding the Fourth Proportional to 111,704.10, 167,675.52 and 45,187.71

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Solution

The fourth proportional to 111,704.10, 167,675.52 and 45,187.71 is: 67,829.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,704.10 : 167,675.52 = 45,187.71 : x
  2. Step 2: Convert to fraction form
    111,704.10/167,675.52 = 45,187.71/x
  3. Step 3: Cross multiply
    111,704.10x = 167,675.52 × 45,187.71
  4. Step 4: Simplify right side
    111,704.10x = 7,576,872,771.86
  5. Step 5: Solve for x
    x = 7,576,872,771.86/111,704.10
  6. Step 6: Final answer
    x = 67,829.85

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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.