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Finding the Fourth Proportional to 73,882.86, 110,851.62 and 52,989.72

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Solution

The fourth proportional to 73,882.86, 110,851.62 and 52,989.72 is: 79,504.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,882.86 : 110,851.62 = 52,989.72 : x
  2. Step 2: Convert to fraction form
    73,882.86/110,851.62 = 52,989.72/x
  3. Step 3: Cross multiply
    73,882.86x = 110,851.62 × 52,989.72
  4. Step 4: Simplify right side
    73,882.86x = 5,873,996,305.35
  5. Step 5: Solve for x
    x = 5,873,996,305.35/73,882.86
  6. Step 6: Final answer
    x = 79,504.18

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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.