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Finding the Fourth Proportional to 129,953.52, 194,937.24 and 41,213.76

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Solution

The fourth proportional to 129,953.52, 194,937.24 and 41,213.76 is: 61,822.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,953.52 : 194,937.24 = 41,213.76 : x
  2. Step 2: Convert to fraction form
    129,953.52/194,937.24 = 41,213.76/x
  3. Step 3: Cross multiply
    129,953.52x = 194,937.24 × 41,213.76
  4. Step 4: Simplify right side
    129,953.52x = 8,034,096,624.42
  5. Step 5: Solve for x
    x = 8,034,096,624.42/129,953.52
  6. Step 6: Final answer
    x = 61,822.85

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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.