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Finding the Fourth Proportional to 73,758.56, 110,644.72 and 29,374.60

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Solution

The fourth proportional to 73,758.56, 110,644.72 and 29,374.60 is: 44,064.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,758.56 : 110,644.72 = 29,374.60 : x
  2. Step 2: Convert to fraction form
    73,758.56/110,644.72 = 29,374.60/x
  3. Step 3: Cross multiply
    73,758.56x = 110,644.72 × 29,374.60
  4. Step 4: Simplify right side
    73,758.56x = 3,250,144,392.11
  5. Step 5: Solve for x
    x = 3,250,144,392.11/73,758.56
  6. Step 6: Final answer
    x = 44,064.64

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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.