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Finding the Fourth Proportional to 73,271.86, 109,819.90 and 37,750.12

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Solution

The fourth proportional to 73,271.86, 109,819.90 and 37,750.12 is: 56,579.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,271.86 : 109,819.90 = 37,750.12 : x
  2. Step 2: Convert to fraction form
    73,271.86/109,819.90 = 37,750.12/x
  3. Step 3: Cross multiply
    73,271.86x = 109,819.90 × 37,750.12
  4. Step 4: Simplify right side
    73,271.86x = 4,145,714,176.03
  5. Step 5: Solve for x
    x = 4,145,714,176.03/73,271.86
  6. Step 6: Final answer
    x = 56,579.90

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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.