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Finding the Fourth Proportional to 111,854.74, 167,682.64 and 40,764.02

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Solution

The fourth proportional to 111,854.74, 167,682.64 and 40,764.02 is: 61,109.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,854.74 : 167,682.64 = 40,764.02 : x
  2. Step 2: Convert to fraction form
    111,854.74/167,682.64 = 40,764.02/x
  3. Step 3: Cross multiply
    111,854.74x = 167,682.64 × 40,764.02
  4. Step 4: Simplify right side
    111,854.74x = 6,835,419,011.73
  5. Step 5: Solve for x
    x = 6,835,419,011.73/111,854.74
  6. Step 6: Final answer
    x = 61,109.79

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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.