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Finding the Fourth Proportional to 179,772.80, 269,658.88 and 61,445.12

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Solution

The fourth proportional to 179,772.80, 269,658.88 and 61,445.12 is: 92,167.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,772.80 : 269,658.88 = 61,445.12 : x
  2. Step 2: Convert to fraction form
    179,772.80/269,658.88 = 61,445.12/x
  3. Step 3: Cross multiply
    179,772.80x = 269,658.88 × 61,445.12
  4. Step 4: Simplify right side
    179,772.80x = 16,569,222,240.67
  5. Step 5: Solve for x
    x = 16,569,222,240.67/179,772.80
  6. Step 6: Final answer
    x = 92,167.57

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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.