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Finding the Fourth Proportional to 69,294.49, 103,682.22 and 49,350.07

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Solution

The fourth proportional to 69,294.49, 103,682.22 and 49,350.07 is: 73,840.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,294.49 : 103,682.22 = 49,350.07 : x
  2. Step 2: Convert to fraction form
    69,294.49/103,682.22 = 49,350.07/x
  3. Step 3: Cross multiply
    69,294.49x = 103,682.22 × 49,350.07
  4. Step 4: Simplify right side
    69,294.49x = 5,116,724,814.76
  5. Step 5: Solve for x
    x = 5,116,724,814.76/69,294.49
  6. Step 6: Final answer
    x = 73,840.28

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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.