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Finding the Fourth Proportional to 264,750.80, 397,196.60 and 114,926.80

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Solution

The fourth proportional to 264,750.80, 397,196.60 and 114,926.80 is: 172,420.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,750.80 : 397,196.60 = 114,926.80 : x
  2. Step 2: Convert to fraction form
    264,750.80/397,196.60 = 114,926.80/x
  3. Step 3: Cross multiply
    264,750.80x = 397,196.60 × 114,926.80
  4. Step 4: Simplify right side
    264,750.80x = 45,648,534,208.88
  5. Step 5: Solve for x
    x = 45,648,534,208.88/264,750.80
  6. Step 6: Final answer
    x = 172,420.76

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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.