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Finding the Fourth Proportional to 167,532.76, 231,197 and 91,051.86

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Solution

The fourth proportional to 167,532.76, 231,197 and 91,051.86 is: 125,652.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,532.76 : 231,197 = 91,051.86 : x
  2. Step 2: Convert to fraction form
    167,532.76/231,197 = 91,051.86/x
  3. Step 3: Cross multiply
    167,532.76x = 231,197 × 91,051.86
  4. Step 4: Simplify right side
    167,532.76x = 21,050,916,876.42
  5. Step 5: Solve for x
    x = 21,050,916,876.42/167,532.76
  6. Step 6: Final answer
    x = 125,652.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.