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Finding the Fourth Proportional to 171,061.67, 256,576.11 and 52,701.23

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Solution

The fourth proportional to 171,061.67, 256,576.11 and 52,701.23 is: 79,046.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,061.67 : 256,576.11 = 52,701.23 : x
  2. Step 2: Convert to fraction form
    171,061.67/256,576.11 = 52,701.23/x
  3. Step 3: Cross multiply
    171,061.67x = 256,576.11 × 52,701.23
  4. Step 4: Simplify right side
    171,061.67x = 13,521,877,029.43
  5. Step 5: Solve for x
    x = 13,521,877,029.43/171,061.67
  6. Step 6: Final answer
    x = 79,046.80

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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.