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Finding the Fourth Proportional to 121,850.66, 182,779.13 and 57,793.84

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Solution

The fourth proportional to 121,850.66, 182,779.13 and 57,793.84 is: 86,692.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,850.66 : 182,779.13 = 57,793.84 : x
  2. Step 2: Convert to fraction form
    121,850.66/182,779.13 = 57,793.84/x
  3. Step 3: Cross multiply
    121,850.66x = 182,779.13 × 57,793.84
  4. Step 4: Simplify right side
    121,850.66x = 10,563,507,794.56
  5. Step 5: Solve for x
    x = 10,563,507,794.56/121,850.66
  6. Step 6: Final answer
    x = 86,692.25

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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.