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Finding the Fourth Proportional to 74,492.44, 111,738.65 and 52,404.65

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Solution

The fourth proportional to 74,492.44, 111,738.65 and 52,404.65 is: 78,606.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,492.44 : 111,738.65 = 52,404.65 : x
  2. Step 2: Convert to fraction form
    74,492.44/111,738.65 = 52,404.65/x
  3. Step 3: Cross multiply
    74,492.44x = 111,738.65 × 52,404.65
  4. Step 4: Simplify right side
    74,492.44x = 5,855,624,844.72
  5. Step 5: Solve for x
    x = 5,855,624,844.72/74,492.44
  6. Step 6: Final answer
    x = 78,606.97

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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.