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Finding the Fourth Proportional to 167,818.72, 251,578.32 and 62,642.56

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Solution

The fourth proportional to 167,818.72, 251,578.32 and 62,642.56 is: 93,907.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,818.72 : 251,578.32 = 62,642.56 : x
  2. Step 2: Convert to fraction form
    167,818.72/251,578.32 = 62,642.56/x
  3. Step 3: Cross multiply
    167,818.72x = 251,578.32 × 62,642.56
  4. Step 4: Simplify right side
    167,818.72x = 15,759,510,005.30
  5. Step 5: Solve for x
    x = 15,759,510,005.30/167,818.72
  6. Step 6: Final answer
    x = 93,907.94

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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.