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Finding the Fourth Proportional to 69,773.70, 104,684.85 and 30,359.10

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Solution

The fourth proportional to 69,773.70, 104,684.85 and 30,359.10 is: 45,549.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,773.70 : 104,684.85 = 30,359.10 : x
  2. Step 2: Convert to fraction form
    69,773.70/104,684.85 = 30,359.10/x
  3. Step 3: Cross multiply
    69,773.70x = 104,684.85 × 30,359.10
  4. Step 4: Simplify right side
    69,773.70x = 3,178,137,829.64
  5. Step 5: Solve for x
    x = 3,178,137,829.64/69,773.70
  6. Step 6: Final answer
    x = 45,549.22

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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.