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Finding the Fourth Proportional to 175,380.40, 262,973.40 and 75,523.60

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Solution

The fourth proportional to 175,380.40, 262,973.40 and 75,523.60 is: 113,243.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,380.40 : 262,973.40 = 75,523.60 : x
  2. Step 2: Convert to fraction form
    175,380.40/262,973.40 = 75,523.60/x
  3. Step 3: Cross multiply
    175,380.40x = 262,973.40 × 75,523.60
  4. Step 4: Simplify right side
    175,380.40x = 19,860,697,872.24
  5. Step 5: Solve for x
    x = 19,860,697,872.24/175,380.40
  6. Step 6: Final answer
    x = 113,243.54

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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.