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Finding the Fourth Proportional to 189,169.51, 283,692.53 and 62,775.80

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Solution

The fourth proportional to 189,169.51, 283,692.53 and 62,775.80 is: 94,143.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,169.51 : 283,692.53 = 62,775.80 : x
  2. Step 2: Convert to fraction form
    189,169.51/283,692.53 = 62,775.80/x
  3. Step 3: Cross multiply
    189,169.51x = 283,692.53 × 62,775.80
  4. Step 4: Simplify right side
    189,169.51x = 17,809,025,771.87
  5. Step 5: Solve for x
    x = 17,809,025,771.87/189,169.51
  6. Step 6: Final answer
    x = 94,143.21

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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.