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Finding the Fourth Proportional to 77,524.88, 106,992.54 and 49,230.59

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Solution

The fourth proportional to 77,524.88, 106,992.54 and 49,230.59 is: 67,943.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,524.88 : 106,992.54 = 49,230.59 : x
  2. Step 2: Convert to fraction form
    77,524.88/106,992.54 = 49,230.59/x
  3. Step 3: Cross multiply
    77,524.88x = 106,992.54 × 49,230.59
  4. Step 4: Simplify right side
    77,524.88x = 5,267,305,334.84
  5. Step 5: Solve for x
    x = 5,267,305,334.84/77,524.88
  6. Step 6: Final answer
    x = 67,943.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.