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Finding the Fourth Proportional to 69,230.84, 103,777.25 and 29,259.90

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Solution

The fourth proportional to 69,230.84, 103,777.25 and 29,259.90 is: 43,860.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,230.84 : 103,777.25 = 29,259.90 : x
  2. Step 2: Convert to fraction form
    69,230.84/103,777.25 = 29,259.90/x
  3. Step 3: Cross multiply
    69,230.84x = 103,777.25 × 29,259.90
  4. Step 4: Simplify right side
    69,230.84x = 3,036,511,810.98
  5. Step 5: Solve for x
    x = 3,036,511,810.98/69,230.84
  6. Step 6: Final answer
    x = 43,860.68

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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.