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Finding the Fourth Proportional to 129,967.66, 194,958.42 and 41,228.23

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Solution

The fourth proportional to 129,967.66, 194,958.42 and 41,228.23 is: 61,844.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,967.66 : 194,958.42 = 41,228.23 : x
  2. Step 2: Convert to fraction form
    129,967.66/194,958.42 = 41,228.23/x
  3. Step 3: Cross multiply
    129,967.66x = 194,958.42 × 41,228.23
  4. Step 4: Simplify right side
    129,967.66x = 8,037,790,580.20
  5. Step 5: Solve for x
    x = 8,037,790,580.20/129,967.66
  6. Step 6: Final answer
    x = 61,844.54

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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.