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Finding the Fourth Proportional to 111,658.52, 167,520.36 and 45,064.64

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Solution

The fourth proportional to 111,658.52, 167,520.36 and 45,064.64 is: 67,610.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,658.52 : 167,520.36 = 45,064.64 : x
  2. Step 2: Convert to fraction form
    111,658.52/167,520.36 = 45,064.64/x
  3. Step 3: Cross multiply
    111,658.52x = 167,520.36 × 45,064.64
  4. Step 4: Simplify right side
    111,658.52x = 7,549,244,716.07
  5. Step 5: Solve for x
    x = 7,549,244,716.07/111,658.52
  6. Step 6: Final answer
    x = 67,610.11

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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.