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Finding the Fourth Proportional to 117,375.52, 161,986.88 and 67,073.44

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Solution

The fourth proportional to 117,375.52, 161,986.88 and 67,073.44 is: 92,566.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,375.52 : 161,986.88 = 67,073.44 : x
  2. Step 2: Convert to fraction form
    117,375.52/161,986.88 = 67,073.44/x
  3. Step 3: Cross multiply
    117,375.52x = 161,986.88 × 67,073.44
  4. Step 4: Simplify right side
    117,375.52x = 10,865,017,276.47
  5. Step 5: Solve for x
    x = 10,865,017,276.47/117,375.52
  6. Step 6: Final answer
    x = 92,566.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.