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Finding the Fourth Proportional to 264,775.96, 397,170.66 and 77,793.40

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Solution

The fourth proportional to 264,775.96, 397,170.66 and 77,793.40 is: 116,692.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,775.96 : 397,170.66 = 77,793.40 : x
  2. Step 2: Convert to fraction form
    264,775.96/397,170.66 = 77,793.40/x
  3. Step 3: Cross multiply
    264,775.96x = 397,170.66 × 77,793.40
  4. Step 4: Simplify right side
    264,775.96x = 30,897,256,021.64
  5. Step 5: Solve for x
    x = 30,897,256,021.64/264,775.96
  6. Step 6: Final answer
    x = 116,692.07

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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.