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Finding the Fourth Proportional to 192,255.40, 287,702.70 and 167,566.60

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Solution

The fourth proportional to 192,255.40, 287,702.70 and 167,566.60 is: 250,756.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,255.40 : 287,702.70 = 167,566.60 : x
  2. Step 2: Convert to fraction form
    192,255.40/287,702.70 = 167,566.60/x
  3. Step 3: Cross multiply
    192,255.40x = 287,702.70 × 167,566.60
  4. Step 4: Simplify right side
    192,255.40x = 48,209,363,249.82
  5. Step 5: Solve for x
    x = 48,209,363,249.82/192,255.40
  6. Step 6: Final answer
    x = 250,756.87

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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.