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Finding the Fourth Proportional to 129,551.70, 194,327.54 and 50,610.57

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Solution

The fourth proportional to 129,551.70, 194,327.54 and 50,610.57 is: 75,915.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,551.70 : 194,327.54 = 50,610.57 : x
  2. Step 2: Convert to fraction form
    129,551.70/194,327.54 = 50,610.57/x
  3. Step 3: Cross multiply
    129,551.70x = 194,327.54 × 50,610.57
  4. Step 4: Simplify right side
    129,551.70x = 9,835,027,566.10
  5. Step 5: Solve for x
    x = 9,835,027,566.10/129,551.70
  6. Step 6: Final answer
    x = 75,915.85

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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.