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Finding the Fourth Proportional to 167,269.86, 250,851.94 and 54,931.57

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Solution

The fourth proportional to 167,269.86, 250,851.94 and 54,931.57 is: 82,379.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,269.86 : 250,851.94 = 54,931.57 : x
  2. Step 2: Convert to fraction form
    167,269.86/250,851.94 = 54,931.57/x
  3. Step 3: Cross multiply
    167,269.86x = 250,851.94 × 54,931.57
  4. Step 4: Simplify right side
    167,269.86x = 13,779,690,137.29
  5. Step 5: Solve for x
    x = 13,779,690,137.29/167,269.86
  6. Step 6: Final answer
    x = 82,379.99

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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.