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Finding the Fourth Proportional to 73,815.10, 110,722.65 and 29,448.70

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Solution

The fourth proportional to 73,815.10, 110,722.65 and 29,448.70 is: 44,173.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,815.10 : 110,722.65 = 29,448.70 : x
  2. Step 2: Convert to fraction form
    73,815.10/110,722.65 = 29,448.70/x
  3. Step 3: Cross multiply
    73,815.10x = 110,722.65 × 29,448.70
  4. Step 4: Simplify right side
    73,815.10x = 3,260,638,103.06
  5. Step 5: Solve for x
    x = 3,260,638,103.06/73,815.10
  6. Step 6: Final answer
    x = 44,173.05

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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.