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Finding the Fourth Proportional to 73,199.76, 109,841.15 and 33,756.87

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Solution

The fourth proportional to 73,199.76, 109,841.15 and 33,756.87 is: 50,654.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,199.76 : 109,841.15 = 33,756.87 : x
  2. Step 2: Convert to fraction form
    73,199.76/109,841.15 = 33,756.87/x
  3. Step 3: Cross multiply
    73,199.76x = 109,841.15 × 33,756.87
  4. Step 4: Simplify right side
    73,199.76x = 3,707,893,421.20
  5. Step 5: Solve for x
    x = 3,707,893,421.20/73,199.76
  6. Step 6: Final answer
    x = 50,654.45

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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.