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Finding the Fourth Proportional to 111,167.52, 166,666.56 and 36,242.52

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Solution

The fourth proportional to 111,167.52, 166,666.56 and 36,242.52 is: 54,336.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,167.52 : 166,666.56 = 36,242.52 : x
  2. Step 2: Convert to fraction form
    111,167.52/166,666.56 = 36,242.52/x
  3. Step 3: Cross multiply
    111,167.52x = 166,666.56 × 36,242.52
  4. Step 4: Simplify right side
    111,167.52x = 6,040,416,134.13
  5. Step 5: Solve for x
    x = 6,040,416,134.13/111,167.52
  6. Step 6: Final answer
    x = 54,336.16

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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.