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Finding the Fourth Proportional to 167,877.86, 231,537.87 and 118,732.32

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Solution

The fourth proportional to 167,877.86, 231,537.87 and 118,732.32 is: 163,756.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,877.86 : 231,537.87 = 118,732.32 : x
  2. Step 2: Convert to fraction form
    167,877.86/231,537.87 = 118,732.32/x
  3. Step 3: Cross multiply
    167,877.86x = 231,537.87 × 118,732.32
  4. Step 4: Simplify right side
    167,877.86x = 27,491,028,472.96
  5. Step 5: Solve for x
    x = 27,491,028,472.96/167,877.86
  6. Step 6: Final answer
    x = 163,756.13

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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.