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Finding the Fourth Proportional to 69,387.84, 104,123.30 and 29,944.98

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Solution

The fourth proportional to 69,387.84, 104,123.30 and 29,944.98 is: 44,935.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,387.84 : 104,123.30 = 29,944.98 : x
  2. Step 2: Convert to fraction form
    69,387.84/104,123.30 = 29,944.98/x
  3. Step 3: Cross multiply
    69,387.84x = 104,123.30 × 29,944.98
  4. Step 4: Simplify right side
    69,387.84x = 3,117,969,986.31
  5. Step 5: Solve for x
    x = 3,117,969,986.31/69,387.84
  6. Step 6: Final answer
    x = 44,935.39

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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.