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Finding the Fourth Proportional to 74,523.94, 111,785.89 and 43,337.32

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Solution

The fourth proportional to 74,523.94, 111,785.89 and 43,337.32 is: 65,005.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,523.94 : 111,785.89 = 43,337.32 : x
  2. Step 2: Convert to fraction form
    74,523.94/111,785.89 = 43,337.32/x
  3. Step 3: Cross multiply
    74,523.94x = 111,785.89 × 43,337.32
  4. Step 4: Simplify right side
    74,523.94x = 4,844,500,886.41
  5. Step 5: Solve for x
    x = 4,844,500,886.41/74,523.94
  6. Step 6: Final answer
    x = 65,005.97

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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.