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Finding the Fourth Proportional to 129,697.80, 194,634.24 and 50,802.24

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Solution

The fourth proportional to 129,697.80, 194,634.24 and 50,802.24 is: 76,237.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,697.80 : 194,634.24 = 50,802.24 : x
  2. Step 2: Convert to fraction form
    129,697.80/194,634.24 = 50,802.24/x
  3. Step 3: Cross multiply
    129,697.80x = 194,634.24 × 50,802.24
  4. Step 4: Simplify right side
    129,697.80x = 9,887,855,372.70
  5. Step 5: Solve for x
    x = 9,887,855,372.70/129,697.80
  6. Step 6: Final answer
    x = 76,237.65

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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.