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Finding the Fourth Proportional to 74,168.84, 111,105.02 and 44,570.64

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Solution

The fourth proportional to 74,168.84, 111,105.02 and 44,570.64 is: 66,766.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,168.84 : 111,105.02 = 44,570.64 : x
  2. Step 2: Convert to fraction form
    74,168.84/111,105.02 = 44,570.64/x
  3. Step 3: Cross multiply
    74,168.84x = 111,105.02 × 44,570.64
  4. Step 4: Simplify right side
    74,168.84x = 4,952,021,848.61
  5. Step 5: Solve for x
    x = 4,952,021,848.61/74,168.84
  6. Step 6: Final answer
    x = 66,766.88

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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.