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Finding the Fourth Proportional to 77,759.79, 116,658.20 and 25,169.27

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Solution

The fourth proportional to 77,759.79, 116,658.20 and 25,169.27 is: 37,759.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,759.79 : 116,658.20 = 25,169.27 : x
  2. Step 2: Convert to fraction form
    77,759.79/116,658.20 = 25,169.27/x
  3. Step 3: Cross multiply
    77,759.79x = 116,658.20 × 25,169.27
  4. Step 4: Simplify right side
    77,759.79x = 2,936,201,607.67
  5. Step 5: Solve for x
    x = 2,936,201,607.67/77,759.79
  6. Step 6: Final answer
    x = 37,759.90

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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.