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Finding the Fourth Proportional to 111,597.12, 167,352.85 and 47,514.64

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Solution

The fourth proportional to 111,597.12, 167,352.85 and 47,514.64 is: 71,253.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,597.12 : 167,352.85 = 47,514.64 : x
  2. Step 2: Convert to fraction form
    111,597.12/167,352.85 = 47,514.64/x
  3. Step 3: Cross multiply
    111,597.12x = 167,352.85 × 47,514.64
  4. Step 4: Simplify right side
    111,597.12x = 7,951,709,883.56
  5. Step 5: Solve for x
    x = 7,951,709,883.56/111,597.12
  6. Step 6: Final answer
    x = 71,253.72

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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.