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Finding the Fourth Proportional to 231,797.70, 347,735.80 and 79,953.55

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Solution

The fourth proportional to 231,797.70, 347,735.80 and 79,953.55 is: 119,943.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,797.70 : 347,735.80 = 79,953.55 : x
  2. Step 2: Convert to fraction form
    231,797.70/347,735.80 = 79,953.55/x
  3. Step 3: Cross multiply
    231,797.70x = 347,735.80 × 79,953.55
  4. Step 4: Simplify right side
    231,797.70x = 27,802,710,902.69
  5. Step 5: Solve for x
    x = 27,802,710,902.69/231,797.70
  6. Step 6: Final answer
    x = 119,943.86

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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.