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Finding the Fourth Proportional to 173,716.80, 260,575.20 and 73,851.90

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Solution

The fourth proportional to 173,716.80, 260,575.20 and 73,851.90 is: 110,777.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,716.80 : 260,575.20 = 73,851.90 : x
  2. Step 2: Convert to fraction form
    173,716.80/260,575.20 = 73,851.90/x
  3. Step 3: Cross multiply
    173,716.80x = 260,575.20 × 73,851.90
  4. Step 4: Simplify right side
    173,716.80x = 19,243,973,612.88
  5. Step 5: Solve for x
    x = 19,243,973,612.88/173,716.80
  6. Step 6: Final answer
    x = 110,777.85

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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.