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Finding the Fourth Proportional to 129,375.67, 193,997.88 and 59,194.84

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Solution

The fourth proportional to 129,375.67, 193,997.88 and 59,194.84 is: 88,762.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,375.67 : 193,997.88 = 59,194.84 : x
  2. Step 2: Convert to fraction form
    129,375.67/193,997.88 = 59,194.84/x
  3. Step 3: Cross multiply
    129,375.67x = 193,997.88 × 59,194.84
  4. Step 4: Simplify right side
    129,375.67x = 11,483,673,466.94
  5. Step 5: Solve for x
    x = 11,483,673,466.94/129,375.67
  6. Step 6: Final answer
    x = 88,762.23

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1.5x scale

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.