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Finding the Fourth Proportional to 79,774.50, 110,087.46 and 43,963.76

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Solution

The fourth proportional to 79,774.50, 110,087.46 and 43,963.76 is: 60,669.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,774.50 : 110,087.46 = 43,963.76 : x
  2. Step 2: Convert to fraction form
    79,774.50/110,087.46 = 43,963.76/x
  3. Step 3: Cross multiply
    79,774.50x = 110,087.46 × 43,963.76
  4. Step 4: Simplify right side
    79,774.50x = 4,839,858,670.45
  5. Step 5: Solve for x
    x = 4,839,858,670.45/79,774.50
  6. Step 6: Final answer
    x = 60,669.24

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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.